Question
64, 80, 120, 210, ?,
945 What will come in place of the question mark (?) in the following series?Solution
ATQ, 64 × 1.25 = 80 80 × 1.5 = 120 120 × 1.75 = 210 210 × 2 = 420 420 × 2.25 = 945
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