Subject :NSO Class : Class 6
Subject :NSO Class : Class 6
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 3
Ans 6:
Class : Class 3
How can D be correct when we know that paper isn't water-proof. Correct answer should be A.