The two series a1, a2, ……… and b1, b2, ……. are two arithmetic progressions, where a1+ b1= 100 and a24– a21= b97– b100. Find the sum of the 100 terms (a1+ b100), (a2+ b99),…………. (a100+ b1).
Correct Answer : D
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The 288th term of the series a, b, b, c, c, c, d, d, d, d, e, e, e, e, e, f, f, f, f, f, f…. is
If log32, log3(2x – 5), log3(2x – 7/2) are in arithmetic progression, then the value of x is equal to