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rana singh

· started a discussion

· 1 Months ago

why option c is incorrect ? it is a perfect square

Question:

DIRECTIONS: Select the option which is different from other three alternatives.

Select the option which is different from other three alternatives.

Options:
A)

72

B)

45

C)

81

D)

28

Solution:

Ans: (d)

  

Saurabh Sharma

· commented

· 1 Months ago

i agree

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