Paper 1 · Mathematical Reasoning and Aptitude
UGC NET December 2023 (14.12.2023) Shift-II
What will be the values of P and Q in the following number series? 2, 0, 6, 6, 12, 24, P, Q
A48, 96
B20, 60 ✓ Correct
C12, 120
D48, 50
Correct answer: (B) 20, 60 — The values of P and Q are 20 and 60, so that is the answer.
Explanation
★The values of P and Q are 20 and 60, so that is the answer.
★The series is two patterns interleaved at odd and even positions.
★The odd position terms are 2, 6, 12, giving n times (n plus 1) for n equal to 1, 2, 3.
★Continuing, the next odd term P is 4 times 5, which is 20.
★The even position terms are 0, 6, 24, giving (n minus 1) times n times (n plus 1).
★The next even term Q is 3 times 4 times 5, which is 60.
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