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Let a(1), a(2), a(3).... A(49) be in A.P...

Let `a_(1), a_(2), a_(3).... A_(49)` be in A.P. such that `sum_(k =0)^(12) a_(4k + 1)= 416 and a_(9) + a_(43) = 66`
If `a_(1)^(2) + a_(2)^(2) + .... + a_(17)^(2) = 140m`, then m is equal to

A

68

B

34

C

33

D

66

Text Solution

Verified by Experts

The correct Answer is:
B
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