OTE, PUF, QVG, RWH,?

Question

If \( \sum_{k=1}^{n} k(k+1)(k-1) = pn^4 + qn^3 + tn^2 + sn \), where \( p, q, t, s \) are constants, then the value of \( s \) is equal to:

Answer 1

Position-based analysis: 1st letter sequence: O, P, Q, R, ... followed by S. 2nd letter sequence: T, U, V, W, ... followed by X. 3rd letter sequence: E, F, G, H, ... followed by I. Combining the results yields SXI, which corresponds to option (3).

OTE, PUF, QVG, RWH,?

Show Hint

The Correct Option is C

Solution and Explanation

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