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Question 73
Study the following table and answer questions:
Number of students studying in five schools of a city
The total number of girls in schools B and C is what percent less than the total number of boys in schools A and D?
Solution
The total number of girls in schools B and C=720*(5/9)+540*(13/18)
=400+390
=790
the total number of boys in schools A and D=680*(9/17)+660*(2/3)
=360+440
=800
percentage required=(10/800)*100
=1.25%
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