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RS Aggarwal Solutions Class 7 Mathematics Solutions for Percentage Exercise 10C in Chapter 10 - Percentage
Prev
What percent of 1 day are 36 minutes?
(a) 25% (b) 2.5% (c) 3.6% (d) 0.25%
Answer:
Solution:-
(b) 2.5%
Because,
Assume x be the percent of 1 day is 36 minutes
We know that, 1 day = 24 hours
1 hour = 60 minutes
= 60 × 24
= 1440 minutes
Now,
= (x % of 1440) = 36
= (x/100) × 1440 = 36
= x = (36 × 100) /1440
= x = 2.5%
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