Express 27 minutes 30 seconds, 1 hour in ratio ____?
- 24:11
- 11:24
- 12:23
- None of these
Explanation
To express 27 minutes 30 seconds and 1 hour in ratio:
Step 1: Convert both times to seconds
27 minutes 30 seconds = (27 * 60) + 30
= 1620 + 30
= 1650 seconds
1 hour = 60 minutes = 60 * 60
= 3600 seconds
Step 2: Calculate the ratio
Ratio = 1650 : 3600
To simplify, divide both parts by their greatest common divisor, which is 150:
= (1650 / 150) : (3600 / 150)
= 11 : 24
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