√?+640÷156= 7*10-13 [ P.O. 1990, CPO, 2009] – McqOptions

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1.	√?+640÷156= 7*10-13 [ P.O. 1990, CPO, 2009]
A.	289
B.	144
C.	529
D.	3249
Answer» B. 144

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