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Q.

A group has 150 children.35 of the group comprises of girls. Find the total number of boys in the group.

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a

120

b

90

c

60

d

50

answer is D.

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Detailed Solution

  Given:  35  of the group comprises of girls.     To calculate:  Total number of boys in the group.     Calculations: =>Number of girls in the group = fraction of girls × total children in group =>Number of girls in group = 35×150 =>90    => Number of Boys in group = total strength of group-number of girls. =>150-90 =>60  Hence option D is correct.   

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