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Ans 3:
Class : Class 6
the answer is b, because the question never mentioned the integer is being multiplied by its self rather it told the
Ans 10:
Class : Class 6
According to me the answer is B. Multiplying a negative integer any number of times (odd or even) will result into a negative integer
Ans 13:
Class : Class 8
I think answer should be D. As example if we take -2.-2x2=-4 but -2x-2=4even negative integers can be even
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Ans 8:
Class : Class 6
The answer should be only B. The all sides of a rectangle are straight, while the cylinder has curved edges even when viewed from top.
Ans 10:
Class : Class 8
Ans is incorrect. It is 'B' only. Rectangle is not a face of a cylinder. Only after you flatten a cylinder you get a rectangle but not per se