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In the following question, select the missing number from the given series.8, 33, 133, 533, 2133, ?
Question

In the following question, select the missing number from the given series.
8, 33, 133, 533, 2133, ?

A.

8530

B.

8533

C.

8600

D.

8545

Correct option is B

Given8, 33, 133, 533, 2133, ?
Logic: (1st number ×\times 4) + 1 = 2nd number is pattern follows.
8 ×\times 4 = 32, 32 + 1 = 33
33 ×\times​ 4 = 132, 132 + 1 = 133
133 ×\times 4 = 532, 532 + 1 = 533
533 ×\times 4 = 2132, 2132 + 1 = 2133
2133 ×\times 4 = 8532, 8532 + 1 = 8533
So, the missing term is 8533.
Thus, correct option is (b).

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