Question
What should come in place of the question mark (?) in
the given series? 251, 254, 260, 269, 281, ?Solution
-
254 − 251 = 3
-
260 − 254 = 6
-
269 − 260 = 9
-
281 − 269 = 12
The differences are: 3, 6, 9, 12 → increasing by 3 each time Next difference = 12 + 3 = 15 Next term = 281 + 15 = 296
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