Subject :NSO Class : Class 7
Subject :NSO Class : Class 7
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Subject :NSO Class : Class 7
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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 8
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 2
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Subject :NSO Class : Class 5
Ans 1:
Class : Class 5
Picture is not clarifying whether plunger has moved or not. Even though there are 2 pictures but mentioning before and after below the picture could have supported in a better way to give the correct answer.