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Let a1, a2, a3 .......be terms of an A.P...

Let `a_1, a_2, a_3 .......`be terms of an A.P. `S=sum_(i=1)^30a_iand T=sum_(i=1)^(15)a_(2i-1)`
If `a_5=27` and S - 2T = 75 , then `a_10`a is equal to

A

47

B

42

C

52

D

57

Text Solution

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The correct Answer is:
C
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