What should come in place of '?' in the given series? 38 55 74 95 118 ?
143
Find the differences between consecutive terms.
55 − 38 = 17; 74 − 55 = 19; 95 − 74 = 21; 118 − 95 = 23.
The differences are 17, 19, 21, 23, increasing by 2 each time, so the next difference is 25.
Therefore the next term is 118 + 25 = 143.
Hence, the number that comes in place of the question mark is 143.
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