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Which of the following numbers will replace the question mark (?) in the given series? 168, 191, 218, 249, 284, ?
Question

Which of the following numbers will replace the question mark (?) in the given series?
168, 191, 218, 249, 284, ?

A.

329

B.

333

C.

319

D.

323

Correct option is D

Given: The series is: 168, 191, 218, 249, 284, ?
Concept: (+23, +27, +31, +35, +39) Pattern follows and its double difference is 4.
Solution:
168+23=191
191+27=218
218+31=249
249+35=284
284+39=323
So, 323 is the missing number.

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