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1)

If 55×53+532 =5a+2, then the value of a is:


A) 4

B) 5

C) 6

D) 8

Answer:

Option A

Explanation:

55×53+532 =5a+2 5×512×53532 5(1+12+3+32) =5a+2 56 =5a+2 a+2=6 a=4