Question

After 15 years, Mary's age will be four times of her present age. TU ILI PICJU
Aravind has a kiddy bank. It is full of one-rupee and fifty paise coins. It contains 3 times
as many fifty paise coins as one rupee coins. The total amount of the money in the bank is
35. How many coins of each kind are there in the bank?
A and B together can finish a piece of work in 12 days. If‘A’alone can finish the same​

Answer 1

Answer:

Let her present age be x

And according to question

after 15 years her age will be 4x

i.e x+15=4x

So x=5 years

means her present age is 5 years