यदि x-y = (x+y)/7 = xy / 4 हो तो xy का मान ह – McqOptions

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1.	यदि x-y = (x+y)/7 = xy / 4 हो तो xy का मान होगा -
A.	4/3
B.	8/11
C.	7/13
D.	4/15
Answer» B. 8/11

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