In a city, $30 %$ are females, $40 %$ are males and remaining are children. What per cent are children.

70 %

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50 %

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40 %

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30 %

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Solution

The correct option is C $30 %$
Percentage of children $= 100$ % $- (30$ % + $40$ %)

$= 100$ % $- 70$ %

$= 30$ % (Ans)

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The marks obtained by $40$ students of a class are given below :
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Q. The number of children in city F is what per cent of the number of adult females in the same city?

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In a city, 30% are females, 40% are males and remaining are children. What per cent are children.

The correct option is C 30%Percentage of children =100% −(30% + 40%)=100% −70 %=30% (Ans)

In a city, $30 %$ are females, $40 %$ are males and remaining are children. What per cent are children.

The correct option is C $30 %$
Percentage of children $= 100$ % $- (30$ % + $40$ %)

$= 100$ % $- 70$ %

$= 30$ % (Ans)