Question
Find the wrong number in the given number series.
148, 146, 140, 128, 108, 68Solution
ATQ, 148 – 1 × 2 = 146 146 – 2 × 3 = 140 140 – 3 × 4 = 128 128 – 4 × 5 = 108 108 – 5 × 6 = 78 So, 78 should come in place of 68.
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