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QUESTION
Q
What should come in place of question mark (?) in the following number series: 19, 25, 45, 87, 159 (?)

Solution

The pattern of the number series is : 19 + 2 × 3 = 19 + 6 = 25 25 + 4 × 5 = 25 + 20 = 45 45 + 6 × 7 =...

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