A hollow cylindrical pipe is 21 dm long. Its outer and inner diameters are 10 cm and 6 cm respe...

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Akash Aswal Not 65 Multiply 66 66 Multiply 64

aishaaswalclassthdrollno.
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This solution is not correct
Correct answer is 22×30×16= 10560

goldendreamkrishnamusiccreator
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The answer is wrong because he had taken the diameter of the cylinders as radius.
When we will take 5cm and 3cm as our radius we will get the answer 10560👍👍

SujitKumar-rsfh
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Ur answer is wrong correct answer is 1056cm sq.

damns
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Aap log sahi se baat hai ki ji bacche logon Ko

goldendreamkrishnamusiccreator
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1056. Is. A. Right. Answer. Yuo. Are. Right

anupamshukla