Sunday, 17 January 2016

#12 Average Quantitative Aptitude Question

The average of four consecutive odd numbers is 24. Find the largest number.

A. 25
B. 27
C. 29
D. 31

 Answer And Explanation

Answer: Option B

Explanation:

Let the numbers are x, x+2, x+4, x+6, then 

=>x+(x+2)+(x+4)+(x+6)4=24=>x+(x+2)+(x+4)+(x+6)4=24

=>4x+12)4=24=>4x+12)4=24

=>x+3=24=>x=21=>x+3=24=>x=21

So largest number is 21 + 6 = 27

 

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