Subject :NSO Class : Class 7
Subject :NSO Class : Class 5
Ans 4:
Class : Class 5
ans is '30' because all other are following the rule of equation 2x2=4+1 = 5, 3x3=9+2=11, 4x4=16+3= 19, 5x5=25+4=29 (30 written in the series instead of 29), 6x6=36+5=41, 7x7=49+6=55
Ans 5:
Class : Class 7
30 is the odd one out as all the rest are odd numbers while this is an even number.
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Subject :NSO Class : Class 7
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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 8
Ans 2:
Class : Class 8
Let's take an example of iron rod . When we apply potential energy on both the sides it causes the electrons to flow to the opposite directions which makes the negative charge of electricity.
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Subject :NSO Class : Class 9
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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 9