If 11# 2@6=78 and15 # 4@8 =152, then17#6...

If 11# 2@6=78 and15 # 4@8 =152, then17#6@7=? (A) 1 61 (B) 143 (C) 221 (D) 157

A

161

B

143

C

221

D

157

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The correct Answer is:

A

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