Among the kids in W whose mothers had completed primary education, how many were not in school?

300

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1200

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1050

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1500

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Solution

The correct option is A
300

Number of kids not going to school $= (\frac{8}{100}) \times 30000 = 2400$
Number of kids not going to school whose mothers had dropped out of school before completing primary education = 1800
Number of kids not going to school whose mothers had completed primary education = 2400 - 1800 = 600
From condition 2 as given in the question, we have
Number of kids from NE not going to school whose mothers had completed primary education = Number of kids from NE not going to school whose mothers had not completed primary education $= (\frac{1}{2}) \times 600 = 300$
From given condition 1, we have
Number of kids from S not going to school whose mothers had completed primary education = 0
Hence, number of kids from W not going to school whose mothers had completed primary education = 600 - 300 - 0 = 300

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