Question

2 years ago, the average age of A, B and C was 30 years. The present average age of A and B is 25 years. 4 years hence, the average age of C and D would be 43 years. What is the present age of D?

पर्याय

• 32 years

• 34 years

• 35 years

• 40 years

Answer 1

32 years

Explanation:

2 years ago, Sum of ages of A, B and C is A + B + C = 90

Sum of present ages of A, B and C

A + B + C = 96

Also, A + B = 50

⇒ C = 46

⇒ C + D = 78

⇒ D = 78 – 46

⇒ D = 32

Age of D = 32 years.