Question (75/85)

How many two-digit numbers satisfy property: 'The unit's digit of the square of the two-digit number is 8' 

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(A)  2

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(B)  4

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(C)  6

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(D)  None of these

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Question (76/85)

The digit in the unit's place in the square root of 15876 is ?

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(A)  2

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(B)  4

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(C)  6

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(D)  8

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