Question

A clock gains 30 minutes per day. It is set right at 12 noon. What will it show at 8 a.m
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Answer 1

Answer:

The clock gains 15 min in 24 hours

Step-by-step explanation:

Therefore, in 16 hours, it will gain 10 minutes

Hence, the time shown by the clock will be 4.10. According to me

Answer 2

Given:

A clock gains 30 minutes per day.

Solution:

Know that, A clock gains 30 minutes per day.

That means,

In 24 hours clock will gain 30 mantes.

$\[\begin{array}{l}24\,{\rm{hour}} \Rightarrow 30{\rm{ minutes}}\\ \Rightarrow 4\,{\rm{hour}} = 5{\rm{ minutes}}\end{array}\]$

Understand that from 12 noon to 8 am the clock passes 20 hours,

Since the clock gains 5 minutes in every 4 hours.

Therefore in 20 hours the clock will gain 25 minutes,

Hence, It will show 8 :25 at 8 a.m.