Question

A watch is showing right time at $9$ pm. This watch gains $10$ minutes in every $24$ hours. What will be the time shown next day by the watch when the correct time is $2$ am?

• A. $02:00:24$ am
• B. $02:00:48$ am
• C. $02:02:05$ am
• D. $02:02:30$ am

Answer 1

The correct option is C $02:02:05$ am

From $9$PM to $2$AM, difference is of $5$ hours.

It gains $10$ minutes in $24$ hours.

In $5$ hours it will gain, $\frac{10}{24}$$\times 5$

$=2$$\frac{1}{12}\times 60$

So, $2:02:05$ is correct time,

Hence, Option C is correct.