QA – Placement Quizzes | Percentages | Question 13

5 years ago the ratio of Shyam’s age to Ram’s age is 3:2. If Ram’s present age is 25% less than Shyam’s present age. What will be Ram’s age after 10 years?
(A) 20 years
(B) 15 years
(C) 25 years
(D) 20 years


Answer: (C)

Explanation: Say Ram’s present age = R

Shyam’s present age  = S

S = R+S/4———————(1)

5 years ago:

(S-5)/(R-5) = 3/2————(2)

from 1 and 2:

(8R/3) -10 = (9R/3) – 15

R =15

After 10 years Ram’s age = 25 years

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