Question

If 1^3 of a no. exceeds it's 2^7 by 1, find the no.

Answer 1

(1/3)x = (2/7)x + 1

(1/3 - 2/7)x = 1

(7 - 6)x/21 = 1

x/21 = 1

x = 21

Explanation:

1/3 of 21 is 7, which exceeds 2/7 of 21 (that is 6) by one