Question

Rohit finishes 1/3 part of a work in 1 hour . HOW MUCH PART OF THE WORK WILL BE FINISHED IN 1 2/7 HOUR ? EXPLAIN

Answer 1

1 hour = 1/3

1 2/7 hours = $x$

1 2/7 = 9/7

$x$ = {(9/7) x (1/3)}/1

$x$ = (9/21)/1

$x$ = 9/21

$x$ = 3/7