Question 12

Last year there were 610 boys in a school. The number decreased by 20 percent this year. How many girls are there in the school if the number of girls is 175 percent of the total number of boys in the school this year?

Solution

Number of boys in the school last year = 610

Number of boys in the school in the present year = 610*0.8 (It is given that the boys decreased by 20% this year)

= 488

Number of girls in the class = 1.75* Number of boys

=1.75*488

=854

A is the correct answer.

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