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Q.

State whether the given statement is true or false:


No cube can end with exactly two zeroes.


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a

True

b

False 

answer is A.

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Detailed Solution

The given statement is true.
Concept: To  check that any cube can end with two zeros we will take the smallest number first whose cube can end with zeros to check whether any cube can have 2 zeros or not.
Here 10 is the smallest number whose cube can end with zero.So we will use that to check whether a cube can end with exactly two zeroes or not.
(10) 3=1000
Since it has 3 zeros so no number can have 2 zero if it is a cube.
Hence, the given statement is true.
 
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