Paper 1 · Mathematical Reasoning and Aptitude
UGC NET December 2021 June 2022 (09.07.2022) Shift-I
Find the wrong term in the series: 16, 22, 30, 45, 52, 66
A22
B30
C66
D45 ✓ Correct
Correct answer: (D) 45 — The wrong term in the series is 45.
Explanation
★The wrong term in the series is 45.
★The differences between successive terms should increase by 2 each time.
★From 16 the pattern adds 6, 8, 10, 12 and 14 to give 16, 22, 30, 40, 52, 66.
★So the fourth term should be 40, not 45.
★The printed 45 breaks the even, growing difference pattern.
★Correcting 45 to 40 restores the smooth series.
★Wrong-term questions ask which single value disrupts an otherwise regular rule.
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