Question

5. The sum of the ages of Aryabhatta and Shridhar is 45
years. Five years ago the product of their ages was 4
times the Aryabhatta's age at that time. The present
ages of Aryabhatta and Shridhar respectively are:
(a) 25 and 20
(b) 35 and 10
(c) 36 and 9
(d) 40 and 5

Answer 1

Answer:

let the present age of Aryabhatta be x

so shridhar's present age= y

so the sum of their ages is 45

so x+y = 45

five years ago

Aryabhatta's age = x-5

Shridhar's age = y-5

According to question

(x-5)(y-5) = 4 ( x-5)

y-5 = 4

y= 9

so x = 45-y

= 45-9=36

so the present age of Aryabhatta is 36 years while of shridhar is 9 years

Step-by-step explanation:

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