Subject :NSO Class : Class 7
Subject :NSO Class : Class 7
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Subject :NSO Class : Class 4
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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 9
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Subject :NSO Class : Class 6
Ans 6:
Class : Class 10
how if it is D then the weight at both side of the beam will not be equali think A is the answer