Word problems /logical reasoning GRE, GMAT , CA, NTS, ICMA – Problem-25 (boys, girls, wt) - Videos

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Problem 25 : The average weight of a group of boys and girls is 38 kgm. The avarage weight of the boys is 42 kgm, and that of girls is 33 kgm. If the number of boys is 25, find the number of girls.
a) 10 b) 20 c) 15 d) 17

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