If 2, a, b, c, d, e, f and 65 form an arithmetic progression, find out the value of ‘e’.
Explanation:
65 is the eighth term of the AP.
∴ 2 + (8 – 1)r = 65, where r is the common difference.
∴ r = 9
e is the sixth term.
∴ e = 2 + 5(9) = 47
Hence, option (b).
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