Question

if two-third of one-fifth of three-seventh of a number is 4, what is the number?

Answer 1

let the no. be x.
a/c,
2/3×1/5×3/7×x=4
6x/105=4
6x=420
x=70

Answer 2

2/3×1/5×3/7×A NUMBER =4
THEN, 2\35 ×A NUMBER = 4
THEN A NUMBER =4÷2/35
which is =to 70