Question

akshay has a certain amount of money he gave 1/2 of the money to his best friend. 1/4 of the money to his sister. 1/8 of the money to his brother and 1/16 of the money to his dad. The amount of money left with his Rs 25. How much money was with him at first?

Answer 1

let the money be rupees x
According to the question
x/2+x/4+x/8+x/16+25=x
(8x+4x+2x+x+400)/16=x
8x+4x+2x+x+400=16x
15x-16x=-400
-x=-400
or x=400