#19 Blood Relationship Question

In a family, there are six members A, B, C, D, E and F. 

A and B are a married couple, A being the male member. D is the only son of C, who is the brother of A. E is the sister of D. B is the daughter-in-law of F, whose husband has died. How is E related to C ? 

A) Sister
B) Daughter
C) Cousin
D) Mother

Answer: B) Daughter 

Explanation:

A is a male and married to B. So, A is the husband and B is the wife. C is the brother of A. D is the son of C. E. who is the sister of D will be the daughter of C. B is the daughter-in-law of F whose husband has died means F is the mother of A. 

Clearly. E is the daughter of C. 

#20 Blood Relationship Question

Arun said, "This girl is the wife of the grandson of my mother." Who is Arun to the girl ? 

A) Father
B) Grandfather
C) Husband
D) Father-in-law

Answer: D) Father-in-law 

Explanation:

 Mother's grandson — Son, Son's wife — Daughter-in.law 

 

#18 Blood Relationship Question

A family consists of six members P, Q, R, X, Y and Z. Q is the son of R but R is not mother of Q. P and R are a married couple. Y is the brother of R. X is the daughter of P. Z is the brother of P. How many children does P have ?  

A) 1B) 2C) 3D) 4

Answer: B) 2 

Explanation:

Q is the son of R but R is not the mother. So, R is the Father of Q. P is married to R 

So, P is the wife of R and the mother of Q, X is the daughter of P and hence of R and so she is the Sister of Q, Y is the brother of R and Z is the brother of P. 

Clearly, Q is the son of P and X is the daughter of P. So, P has two children. 

#17 Blood Relationship Question

Rita told Mani, "The girl I met yesterday at the beach was the youngest daughter of the brother-in-law of my friend's mother." How is the girl related to Rita's friend ?

A) Cousin
B) Daughter
C) Niece
D) Friend

Answer: A) Cousin 

Explanation:

Daughter of brother-in-law — Niece;

Mother's niece — Cousin.

So, the girl is the cousin of Rita's friend. 

#16 Blood Relationship Question

Q's mother is sister of P and daughter of M. S is daughter of P and sister of T.How is M related to T?

A) Father
B) Grandfather
C) Grandmother
D) Either Grandmother or Grandfather

Answer: D) Either Grandmother or Grandfather 

Explanation:

Q's mother is sister of P &  daughter of M.[sex of P and M are not clear]

S is daughter of P and sister of T.  [sex of P and T is not clear]

M's children : Q's mother and P

P's children  :S[female] and T

 M is either Grandmother or Grandfather of T

#15 Blood Relationship Question

Showing the man receiving the prize, Saroj said, "He is the brother of my uncle's daughter." Who is the man to Saroj ? 

A) Son
B) Cousin
C) Nephew
D) Brother-in-law

Answer: B) Cousin 

Explanation:

Brother of uncle's daughter — Uncles son — Cousin.

So, the man is Seema's cousin. 

#14 Blood Relationship Question

Pointing to a man in a photograph, a woman said, "His brother's father is the only son of my grandfather." How is the woman related to the man in the photograph ? 

A) Mother
B) Aunt
C) Sister
D) Daughter

Answer: C) Sister 

Explanation:

Only son of woman's grandfather — Woman's father.

Man's brother's father — Man's father

So. the woman is man's sister.  

#13 Blood Relationship Question

A family consists of six members P, Q, R, X, Y and Z. Q is the son of R but R is not mother of Q. P and R are a married couple. Y is the brother of R. X is the daughter of P. Z is the brother of P. Who is the brother-in-law of R ? 

A) P
B) Z
C) Y
D) X

Answer: B) Z 

Explanation:

Q is the son of R but R is not the mother. So, R is the Father of Q. P is married to R 

So, P is the wife of R and the mother of Q, X is the daughter of P and hence of R and so she is the Sister of Q, Y is the brother of R and Z is the brother of P. 

It is the husband of P and Z 13 the brother of P So, Z Is the brother-In-law of R 

#12 Blood Relationship Question

Pointing to a photograph, a lady tells Pramod, "I am the only daughter of this lady and her son is your maternal uncle." How is the speaker related to Pramod's father 

A) Sister-in-law
B) Wife
C) Either (a) or (b)
D) Neither (a) nor (b)

Answer: B) Wife 

Explanation:

Clearly, the speaker's brother is Pramod's maternal uncle. So, the speaker is Pramod's mother or his father's wife 

#11 Blood Relationship Question

A woman introduces a man as the son of the brother of her mother. How is the man, related to the woman ? 

A) Nephew
B) Son
C) Cousin
D) Uncle to Grandson

Answer: C) Cousin 

Explanation:

Brother of mother — Uncle: Uncle's son — Cousin

#10 Blood Relationship Question

Pointing out to a lady, a girl said, "She is the daughter-in-law of the grandmother of my father's only son." How is the lady related to the girl ?

A) Sister-in-lawB) MotherC) AuntD) Can't be determined

Answer: D) Can't be determined 

Explanation:

Girls's father's only son— Girl's brother. Daughter in law of girl’s grandmother can be their mother, or maternal uncle’s wife, i.e. aunt. So relation cannot be determined.

#9 Blood Relationship Question

When Anuj saw Manish, he recalled, "He is the son of the father of my daughter." Who is Manish ? 

A) Brother-in-law
B) Brother
C) Cousin
D) Uncle

Answer: A) Brother-in-law 

Explanation:

Anuj's daughter's mother — Anuj's wife ;

Anju's wife's father - Anuj's father-in-law; 

Father-in-law's son — Anuj's brother-in-law

So, Manish is Anuj's brother-in-law 

#7 Blood Relationship Question

Pointing to an old man, Kailash said, "His son is my son's uncle." How is the old man related to Kailash ? 

A) Brother
B) Uncle
C) Father
D) Grandfather

Answer: C) Father 

Explanation:

Kailash's son's uncle — Kailash's brother. So. the old man's son is Kailash's brother 

i.e., the old man is Kailash's father. 

#6 Blood Relationship Question

P is the brother of Q and R. S is R's mother. T is P's father. Which of the following statements cannot be definitely true ? 

A) T is Q's father
B) S is P's mother
C) P is S's son
D) Q is T's son

Answer: D) Q is T's son 

Explanation:

P, Q, R are children of same parents. So. S who is R's mother and T, who is R's father will be mother and father of all three. 

However, it is not mentioned whether Q is male or female So, D cannot be definitely true. 

#5 Blood Relationship Question

There are six persons A. B, C, D, E and F. C is the sister of F. B is the brother of E's husband. D is the father of A and grandfather of F. There are two fathers, three brothers and a mother in the group. Who is the mother ?

A) A
B) B
C) C
D) E

Answer: D) E 

Explanation:

D is father of A and grandfather of F. So, A is father of F. 

Thus. D and A are the two fathers. C is the sister of F So. C is the daughter of A. 

Since there is only one mother, it is evident that E is the wife of A and hence the mother of C and F. 

So, B is brother of A There are three brothers. So. F is the brother of C. 

 Clearly, A is E's Husband.

#4 Blood Relationship Question

There is a family of six persons A, B, C, D, E and F. They are Lawyer, Doctor, Teacher, Salesman, Engineer and Accountant There are two married couples in the family. D, the Salesman is married to the Lady Teacher. The Doctor is married to the Lawyer. F, the Accountant is the son of B and brother of E. C, the Lawyer is the daughter-in-law of A. E is the unmarried Engineer. A is the grandmother of F.  What is the profession of A? 

A) Lawyer
B) Teacher
C) Doctor
D) None of these

Answer: B) Teacher 

Explanation:

C is the daughter-in-law of A who is the grandmother of F means C is the mother of F But F is the son of B. 

So. B is C's husband. But C, the lawyer. is married to the Doctor So. B is the Doctor. F. the Accountant, will he the non of B and C E is the unmarried Engineer 

So. the other married couple can be that of grandmother of F. i.e, A and D. But D, the Salesman, is married to the Lady Teacher. 

So. D, the Salesman, is the grandfather of F. father of B and the husband of A. the Lady Teacher. 

A is the Lady Teacher 

#3 Blood Relationship Question

Pointing to a girl in the photograph, Amar said, "Her mother's brother is the only son of my mother's father." How is the girl's mother related to Amar ? 

A) Mother
B) Sister
C) Aunt
D) Grandmother

Answer: C) Aunt 

Explanation:

Only son of Amar's mother's father — Amar's maternal uncle. 

So, the girl's maternal uncle is Arnar's maternal uncle. Thus, the girl's mother is Amar's aunt. 

#2 Blood Relationship Question

All the six members of a family A, B, C, D, E and F are travelling together. B is the son of C but C is not the mother of B. A and C are a married couple. E is the brother of C. D is the daughter of A. F is the brother of B.  Who is the mother of B ? 

A) D
B) F
C) B
D) A

Answer: D) A 

Explanation:

B is the son of C but C is not the mother of B means C is the father of B. A is marned to C means A is the mother of B. F is brother of B means F is son of A and C. D is daughter of A means D is daughter of A and C

Clearly. A is the mother of B. 

#1 Blood Relationship Questions

If Neena says, "Anita's father Raman is the only son of my father-in-law Mahipal", then how is Bindu, who is the sister of Anita, related to Mahipal ? 

A) Daughter
B) Wife
C) Daughter-in-law
D) None of these

Answer: D) None of these 

Explanation:

Only son of Neena's father-in-law Mahipal Neena's husband. So, Raman is Neena's husband and Anita and Hindu are his daughters. 

 Thus, Bindu is the grand daughter of Mahipal. 

#8 Blood Relationship Question

A is B's sister. C is B's mother. D is C's father. E is D's mother. Then, how is A related to D?

A) Grandfather
B) Grandmother
C) Daughter
D) Granddaughter

Answer: D) Granddaughter 

Explanation:

A is the sister of B and B is the daughter of C.

So, A is the daughter of C. Also, D is the father of C.

So, A is the granddaughter of D. 

#103 Average Quantitative Aptitude Question

The average age of a family of 8 members is 23 years. If the age of the youngest membe be 7 years, then what was the average age of the family member at the birth of the youngest member ? 

Solution: Total age of all members= 8 * 23 =184 years

7, years ago, total sum of ages= 184 - ( 8 * 7 ) = 128 years 

But 7 years before there were only 7 members in the family so,

#100 Average Quantitative Aptitude Question

If the average of 50 numbers is 38. If two numbers 45 and 55 are discarded, the average of the remaining number will be ?

#99 Average Quantitative Aptitude Question

The average of five consecutive numbers is n . If the next two numbers are also included, the average will .

(a) increase by 1      (b) remain the same
(c) increase by 1.4      (d) increase by 2

Solution :

#33 Percentage Question

If the pice of sugar rises from Rs. 6 per kg to Rs. 7.50 per kg, a person, to have no increase in his expenditure on sugar, will have to reduce his consumpion of sugar by

A) 15

B) 20

C) 25

D) 30

Answer: B) 20 

Explanation:

 Let original consumption = 100 kg and new consumption = x kg,

So,  

Reduction in consumption = 20%.

#32 Percentage Question

A district has 64000 inhabitants. If the population increases at the rate of 2 * 1/2 % per annum, then the number of inhabitants at the end of 3 years will be : 

A) 65380
B) 68921
C) 70987
D) 72345

Answer: B) 68921 

Explanation:

Population afer 3 years = 64000 * (1 +  5/(2 *100) )^3 = (64000 * 41/40 * 41/40 * 41/40 ) = 68921..

#31 Percentage Question

A bag contains 600 coins of 25 p denomination and 1200 coins of 50 p denomination. If 12% of 25 p coins and 24% of 50 p coins are removed, the percentage of money removed from the bag is nearly :

A) 21.6 %
B) 15.3 %
C) 14.6 %
D) 12.5 %

Answer: A) 21.6 % 

Explanation:

Total money =  = Rs. 750.

25 paise coins removed == 72.

50 paise coins removed = = 288.

Money removed =  = Rs.162.

Required percentage = % = 21.6 %.

#29 Percentage Question

In a City, 35% of the population is composed of migrants, 20% of whom are from rural areas. Of the local population, 48% is emale while this figure for rural and urban migrants is 30% and 40% respectively. If the total population of the city is 728400, what is its female population ?

A) 856678
B) 860990
C) 896660
D) 908790

 Answer: C) 896660 

Explanation:

Migrants = 35 % of 728400  = (35x/100 * 728400) = 254940.
local population = (728400 - 254940) = 473460.

Rural population = 20% of 473460 = 94692.

Urban population = (254940 - 94692) = 160248.

Female population = 48% of 473460 + 30% of 94692 + 40% of 160248

 = (48/100 * 473460 + 30/100 * 94692 + 40/100 * 160248)

   = 227260.8 + 28407.6 + 64099.2 = 896660

#28 Percentage Question

The sum of the number of boys and girls in a school is 150. if the number of boys is x, then the number of girls becomes x% of the total number of students. The number of boys is : 

A) 60
B) 70
C) 80
D) 90

Answer: A) 60 

Explanation:

We have : x + x% of 150 = 150

=> 

=> 

=> 

#27 Percentage Question

A candidate scoring 25% in an examination fails by 30 marks , while another candidate scores 50 % mark, gets 20 marks more than the minimum pass marks . Find the minimum pass marks. Find the minimum pass percentage.

 Answer

Let x be the maximum marks, 

Then (25% of x)+30 = (50% of x)-20

 

Hence maximum marks = 200

Minimum pass marks = 

Hence, minimum pass marks = %

#26 Percentage Question

In some quantity of ghee, 60% is pure ghee and 40% is vanaspati. If 10 kg of pure ghee is added, then the strength of vanaspati ghee becomes 20%. The original quantity was : 

A) 10 kg
B) 15 kg
C) 20 kg
D) 25 kg

Answer: A) 10 kg 

Explanation:

Let the original quantity be x kg. Vanaspati ghee in x kg  =  (40x / 100 )kg = (2x / 5) kg.

Now, (2x/5)/(x + 10) = 20/100 <=> 2x / (5x + 50) = 1/5  <=> 5x = 50  <=> x = 10.

#30 Percentage Question

Entry fee in an exhibition was Rs. 1. Later, this was reduced by 25% which increased the sale by 20%. The percentage increase in the number of visitors is :

A) 20 %
B) 40 %
C) 60 %
D) 80 %

Answer: C) 60 % 

Explanation:

Let the total original sale be Rs. 100. Then, original number of visitors = 100.

New number of visitors  =  120/0.75 = 160.

Increase % = 60 %.

#25 Percentage Question

In an election only two candidates contested 20% of the voters did not vote and 120 votes were declared as invalid. The winner got 200 votes more than his opponent  thus he secured 41% votes of the total voters on the voter list. Percentage votes of the defeated candidate out of the total votes casted is:

A) 47.5%
B) 41%
C) 38%
D) 45%

Answer: D) 45% 

Explanation:

Let there be x voters and k votes goes to loser then 

      0.8x - 120 = k + (k + 200)

         k+200 = 0.41x

          k = 1440

and  (k + 200) =1640

Therefore   = 45%

#24 Percentage Question

If x is 80% of y, then what percent of 2x is y?

A) 65.5 %
B) 64.5 %
C) 63.5 %
D) 62.5 %

Answer: D) 62.5 % 

Explanation:

 x = 80 % of y    

Required percentage =  % = % =62.5%

#23 Percentage Question

1100 boys and 700 girls are examined in a test; 42% of the boys and 30% of the girls pass. The percentage of the total who failed is :

A) 58
B) 62 *2/3
C) 64
D) 67

Answer: B) 62 *2/3 

Explanation:

Total number of students = 1100 + 700 = 1800.

Number of students passed = (42% of 1100 + 30% of 700) - (462 + 210) = 672.

Number of failues = 1800-672 = 1128.

Percentage failure = (1128/1800 * 100 )% = 62 * 2/3 %. 

#22 Percentage Question

Of the 1000 inhabitants of a town, 60 % are males of whom 120 % are literate. If, of all the inhabitants,  25% are literate, then what percent of the females of the town are literate ?

A) 32.5 %
B) 43 %
C) 46.6 %
D) 53.2 %

Answer: A) 32.5 % 

Explanation:

Number of males = 60% of 1000 = 600. Number of females = (1000 - 600) = 400.

Number of literates = 25% of 1000 = 250.

Number of literate males = 20% of 600 = 120.

Number of literate females = (250 - 120) = 130.

Required pecentage = (130/400 * 100 ) % = 32.5 %.
 

#21 Percentage Question

What percent of 7.2 kg is 18 gms ?

A) .25%
B) .5%
C) .75%
D) 1%

Answer: A) .25% 

Explanation:

Required percentage = (18/7200 * 100)% =  1/4% = 0.25%

#19 Percentage Question

In a competitive examination in State A, 6% candidates got selected from the total appeared candidates. State B had an equal number of candidates appeared and 7% candidates got selected with 80 more candidates got selected than A. What was the number of candidates appeared from each State ?

A) 4000B) 8000C) 12000D) 16000

 Answer: B) 8000 

Explanation:

Let the number of candidates appeared from each state be x.

In state A, 6% candidates got selected from the total appeared candidates

In state B, 7% candidates got selected from the total appeared candidates

But in State B, 80 more candidates got selected than State A

From these, it is clear that 1% of the total appeared candidates in State B = 80

=> total appeared candidates in State B = 80 x 100 = 8000

=> total appeared candidates in State A = total appeared candidates in State B = 8000

#18 Percentage Question

The population of a town was 1,60,000 three years ago, If it increased by 3%, 2.5% and 5% respectively in the last three years, then the present population in 

A) 155679
B) 167890
C) 179890
D) 177366

Answer: D) 177366 

Explanation:

Present population =  160000 *  (1 + 3/100)(1 + 5/200)(1 + 5/100)

 = 177366.

#17 Percentage Question

if the price of a book is first decreased by 25% and then increased by 20%, then the net change in the price will be  : 

A) 10
B) 20
C) 30
D) 40

Answer & ExplanationAnswer: A) 10 

Explanation:

Let the original price be Rs. 100.

New final price  = 120 %  of (75 % of Rs. 100) = Rs. (120/100 * 75/100 * 100) = Rs. 90.

Decrease = 10%

#10 Time and Distance

Sujit runs at 6 km/hour and Rana at 8 km/hour .Rana catches Sujit in 9 minutes.What was the distance between sujit and Rana, when Rana started?

(a) 223 metres
(b) 153 metres
(c) 300 metres
(d) 350 metres.

Ans 9. 300 metres

Note : Try it. Practice question

#9 Time and Distance

Walking at 5/4th of his usual speed, Mr Subramaniam his office 10 minute early .Find hid usual reaching time.
(a) 20 min.
(b) 12 1/2 min.
(c) 40 min.
(d) 50 min.

Ans 8. 50 min.

Note : Try it. Practice question

Note : Try it. Practice question

#7 Time and Distance

Ashok left mathura at 5 a.m. An hour and a half later Brijesh left Mathura, his speed bring 5 kmph higher than that of Ashok. At 9:30 p.m. on the same day the distance between Ashok and Brijesh was 21 km.What is the speed of Ashok in kmph?

(a) 80 or 20
(b) 75 or 25
(c) 70 or 30
(d) 64 or 36

Ans 7. 64 or 36

Hint:  Ashok travles for ( 12-5) + 9:30 hours till 9:30 p.m. Brijesh travels for (12-6:30) + 9:30 p.m. 

There are two possibilities:

Ashok could be  leading Brijesh or Brijesh could be leading Ashok.

#2 Time and Distance

A person covers a certain distance on a train. If the train moved 6 km/hour faster, it would take 40 minutes less. If it moved 3 km/hour slower , it would take 30 minutes more .Find the distance.

Ans 6.

#1 Time and Distance

Without stoppages, a train travels a certain distance with an average speed of 90 km/hour, and with stoppages it cover the same distance with an average speed of 60 km/hour. Find the stoppage time per hour of the train.

Ans 5.

#3 Time and Distance

Two trains are running at 40 km/hour and 20 km/hour respectively in the same direction . The faster train completely passes a man siting in slower train in 5 seconds. Find the length of faster train.

Ans 4.

#4 Time and Distance

Two trains 121 metres long and 99 metres long are running in opposite direction with speeds of 40km/hour and 32 km/hour respectively . In what time will they completely clear each other vfrom the moment they meet ?

Ans 3.

#6 Time and Distance

A train during its course of journey from station A to station B,travels for 2 hours at 30 km.hour, for 3 hours at 40 km/hour and for 5 hour at 50 km/hour, Find its average speed.

Ans 2.

#5 Time and Distance

A cyclist covers a certain journey at 50 km/hour and returns at a speed of 60 km/hour. Find his average speed.

Ans 1.

#8 Time and Distance

A railway passenger counts the telegraph posts in the railway track as he passes them. if they are 40 metres apart and the train is going at a speed of 24 km/hour how many will he pass per minute?

(a) 15
(b) 10
(c) 13
(d) 16

Ans 10. 10

Note : Try it. Practice question

#14 Percentage Question

If 75% of a number is added to 75, then the result is the number itself. The number is :

A) 100
B) 200
C) 300
D) 400

Answer: C) 300 

Explanation:

Let the number be x, Then

75% of x + 75 = x

 x =  300 .

#15 Percentage Question

A student has to obtain 33% of the total marks to pass. He got 125 marks and failed by 40 marks. The maximum marks are :

A) 500B) 600C) 800D) 1000

Answer: A) 500 

Explanation:

Given that the student got 125 marks and still he failed by 40 marks

=> The minimum pass mark = 125 + 40 = 165

Given that minimum pass mark = 33% of the total mark

=> 

=> 

#16 Percentage Question

If 75% of a number is added to 75, then the result is the number itself. The number is :

A) 100
B) 200
C) 300
D) 400

Answer: C) 300 

Explanation:

Let the number be x, Then

75% of x + 75 = x

 x =  300 .

#13 Percentage Question

The ratio 5 : 4 expressed as a percent equals :

A) 12.5 %
B) 40 %
C) 80 %
D) 125 %

Answer: D) 125 % 

Explanation:

5 : 4 = 5/4 = ( (5/4) x 100 )% = 125%.

 

#12 Percentage Question

405 sweets were distributed equally among children in such a way that the number of sweets received by each child is 20% of the total number of children. How many sweets did each child recieve ?

A) 9B) 10C) 11D) 12

Answer: A) 9 

Explanation:

Let the total number of children be x.

Then, x * (20% of x) = 405  

Number of sweets received by each child = 20% of 45 = 9.

#11 Percentage Question

A student multiplied a number by 3/5 instead of 5/3, What is the percentage error in the calculation ?

A) 54 %
B) 64 %
C) 74 %
D) 84 %

Answer: B) 64 % 

Explanation:

Let the number be x.

Then, ideally he should have multiplied by  x by 5/3. Hence Correct result was .

By mistake he multiplied x by 3/5 . Hence the result with error  = 

Then, error = 

Error %  =  = 64 %

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#9 Percentage Question

The value of a machine depreciates at the rate of 10% every year. It was purchased 3 years ago. If its present value is Rs. 8748, its purchase price was :

A) 10000
B) 12000
C) 14000
D) 16000

Answer: B) 12000 

Explanation:

= Rs.12000