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Find the missing number in the following number series. 11, 18, 27, 38, ? , 66

A49

B51

C59

D40

Answer:

B. 51

Read Explanation:

11 + 7 =18 18 + 9 = 27 27 + 11 = 38 38 + 13 = 51 51 + 15 = 66


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