Question

1. In 2 days and 20 hours a watch gains 20 sec. Find, how much time the watch
take to gain 35 sec.​

Answer 1

Step-by-step explanation:

2 days and 20 hours = 68 hours

Using proportional method,

68 : 20 :: x : 35

68 × 35 = 20x

x = 68 ×35 /20

x = 17 × 7

x = 119 hours

ANSWER = 119 hours or 4 days 23 hours