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Question

How will you write 2.84 hours in hours, minutes and seconds?

This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper (8-Mar-2021) (Shift 2)
The correct answer is
2 hours 50 minutes 24 seconds

Convert 2.84 Hours to Hours, Minutes, and Seconds

To convert 2.84 hours into hours, minutes, and seconds, follow these steps:

Step 1: Identify the Whole Hours

The whole number part of 2.84 is 2. This represents 2 hours.

Step 2: Convert the Decimal Part to Minutes

The decimal part is 0.84 hours. To convert this to minutes, multiply by 60 (since there are 60 minutes in an hour):

$0.84 \text{ hours} \times 60 \frac{\text{minutes}}{\text{hour}} = 50.4 \text{ minutes}$

The whole number part of this result is 50, representing 50 minutes.

Step 3: Convert the Remaining Decimal Part to Seconds

The decimal part from the minutes calculation is 0.4 minutes. To convert this to seconds, multiply by 60 (since there are 60 seconds in a minute):

$0.4 \text{ minutes} \times 60 \frac{\text{seconds}}{\text{minute}} = 24 \text{ seconds}$

This gives us 24 seconds.

Step 4: Combine the Units

Combining the hours, minutes, and seconds gives the final result:

2 hours, 50 minutes, and 24 seconds.

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