Question
120, 160, 220, 300, 400,
560 Find the wrong number in the given number series.Solution
120 + 40 × 1 = 160 160 + 40 × 1.50 = 220 220 + 40 × 2 = 300 300 + 40 × 2.5 = 400 400 + 40 × 3 = 520 Therefore, 520 should come in place of 560.
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