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There are 40 pupils in a class. 60% of the class are girls. 12.5% of the boys are Indians, 25% are Malay and the rest are Chinese. How many Chinese boys are there?
(A)16
(B)10
(C)24
(D)20
 Aug 21, 2013
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60% of 40 = 60*40/100= 24
No of boys = 60-24 =16
12.5 % of boys (Indians) =16 * 12.5 /100 = 200/100 =2
25 % 0f boys (Malay) = 25 * 16 /100 = 400/100 = 4
No. of Chinese boys = 16- 2-4 = 10
ans: 10 Chinese boys
 Aug 22, 2013

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