Paper 1 · Mathematical Reasoning and Aptitude
UGC NET 06th Jan 2026 Shift 2
Find the missing term in the series below : 6561, 2187, 729, ?, 81, 27
A243 ✓ Correct
B246
C291
D281
Answer: A
Explanation
★Look at how each number relates to the next. 6561 divided by 3 is 2187, and 2187 divided by 3 is 729, so every term is the one before it divided by 3. Continuing, 729 divided by 3 is 243, and to check, 243 divided by 3 is 81, which matches the next given term. So the missing number is 243.
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