Q106 of 110 Page 242

Find the odd one out of the following and give reason.

A.


B.


C.


D.

(D)

A. = 1 B. = 1


C. =1 but in option D. = -1.


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 107

Find the odd one out of the following and give reason.

A.


B.


C.


D.

108

Find the odd one out of the following and give reason.

A.


B.


C.


D.