Tuesday, 23 February 2016

#4 Percentage Question

A man spends 35% of his income on food, 25% on children's education and 80% of the remaining on house rent. What percent of his income he is left with ?

A) 6 %
B) 8 %
C) 10 %
D) 12 %

Answer: B) 8 % 

Explanation:

Let the total income be x.

Then, income left = (100 -80)% of [100 -  (35 + 25)] % of x = 20% of 40% of x

     =% of x = 8 % of x.

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