Question

4/15 of 5/7 of a number is greater than 4/9 of 2/5 of the same number by 8 . find the number

Answer 1

Let the no.be x.                                                    4/9x2/5xX=8x/45
4/15x5/7xX=4x/21
ATQ
=>4x/21=8x/45+8
=>4x/21-8x/45=8
=>X=630