Question
Find the wrong number, in the given number series.
1, 8, 27, 65, 125, 216Solution
ATQ,
These look like cubes of numbers:
1 = 1³
8 = 2³
27 = 3³
65 — not 4³ (which is 64)
125 = 5³
216 = 6³
So the correct term after 27 should be:
4³ = 64, not 65
Wrong number: 65
Correct number: 64
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