Question

3,4,12,X,196 find missing number

Answer 1

45 is ans thanks snehita

Answer 2

Hi friend!!

Answer is 45.
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3×1 + 1×1 = 4 (next number)

4×2 + 2×2 = 12 (next number of 4)

12×3 + 3×3 = 45 (next number of 12)

45×4 + 4×4 = 196 (last number)

Hence the missing number is 45.
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Hope it helps…