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Prateek Asked :

26-05-2021 Number Series

Q. Look at this series: 2, 4, 6, 8, 10, ... What number should come next?

A. 11
B. 12
C. 13
D. 14


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Rahul
Commented on 2021-05-26 15:21:13 (IST)
Ans - B. 12

As we can see that it is an AP i.e. Arithmetic Progression with common difference 2 so next term will be given by = a + (n-1)d

where a = 2, n = 6 (as we are having 5 terms we need to find 6th one) and common difference d = 2

so next term will be = 2 + (6-1)*2 = 2 + 5*2 = 12