Question

A clock gains 15 minutes everyday if it is set at noon one o'clock then what time will it shown at 9 p.m. same day

Answer 1

$\textbf {Hey there, here is the solution.}$

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Find the numbers of hours between noon to 9pm:

12pm to 9pm = 9 hours

.

Find the number of mins gain:

1 day = 15 mins

rewrite 1 day as 24 hours:

24 hours = 15 mins

Find 1 hour:

1 hour = 15 ÷ 24 = 0.6 mins

Find 9 hours:

9 hours = 0.6 x 9 = 5.4 mins

Convert 5.4 mins to mins and sec:

5.4 mins = 5 mins 24 seconds

.

Time shown at 9pm:

9pm + 5 mins 34 seconds = 9:05:24 pm

.

Answer: The time will be 9:05:24 pm

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⭐$\textbf {Cheers }$⭐

Answer 2

Answer:

the numbers of hours between noon to 9pm:

12pm to 9pm = 9 hours

given

1 day = 15 mins

also we know 1 day =24 hours:

24 hours = 15 mins

For1 hour:

1 hour = 15 ÷ 24 = 0.6 mins

For9 hours:

9 hours = 0.6 x 9 = 5.4 mins

5.4 mins = 5 mins 24 seconds

Time shown at 9pm:

9pm + 5 mins 34 seconds = 9:05:24 pm

Answer: The time will be 9:05:24 pm