Question

Raman's present age is three times his daughter's and
nine-thirteenth of his mother's present age. The sum of
the present ages of all three of them is 125 years. What is
the difference between the present ages of Raman's
daughter and Raman's mother?

Answer 1

Kamya purchased an item for 746,000 and sold it at a
loss of 12 per cent. With that amount she purchased
another item and sold it at a gain of 12 per cent. What
was her overall gain/loss?

Answer 2

r = raman
d=daughter
m=mother
r = 3d, so d = 1/3r
r=9/13m so m = 13/9r
r+1/3r+13/9r=125
Multiply by 9 and solve