Question

What is the next number in the series 3, 12, 25, 42, 63?

Answer 1

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Lets check the difference between two consecutive terms

12 - 3 = 9

25 - 12 = 13

42 - 25 = 17

63 - 42 = 21

So the differences are 9 , 13 , 17 , 21

In the differences we can observe that difference increases by the factor of 4.

So next term will be

63 + 21 + 4 = 63 + 25

= 88

So the required term is 88

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Answer 2

3+9 = 12

12 +13 = 25

25 +17 = 42

42+21 = 63

63+25 = 88