Question

Aayushi borrows rupees 800 @ 12% per annum simple interest and Muskaan borrows rupees 910 @ 10% per annum simple interest. In how many years an amount equal

Answer 1

i think u can understand,,, a little bit tough,,
let me tell u ,,that the diffrence between the amount of both is decreasing by 5 per year and the initial difference is 110 so 110/5=22 and that's the answer ,,I hope this will help u out :-) thanks