Percentage Practice Test 2 with solutions

Question : 37 of 40

Marks: +1, -0

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

854
848
798
782
None of these

Validate

Solution:

Number of boys in the school last year = 610 boys
Number of boys decreased 20% this year = (610 - (610 of 20%))

=610-(610×20/100)

= 488 boys
Number of girls in the school = 175% of boys

=488×175/100

= 854 girls

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