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In a city, 30% are females, 40% are males and remaining are children. What percent are children?

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Question

In a city, 30% are females, 40% are males and remaining are children. What percent are children?

Sum
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Solution

It is given that 30% are females and 40% are males.

Children = (100% − 30% − 40%) 

Children = 30%

Hence, percentage of children is 30%.

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Chapter 7: Comparing Quantities - EXERCISE 7.1 [Page 116]

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NCERT Mathematics [English] Class 7
Chapter 7 Comparing Quantities
EXERCISE 7.1 | Q 7. | Page 116

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