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Q.

In the following AP find the missing term.

2,?,26

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a

16

b

13

c

12

d

14

answer is B.

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Detailed Solution

detailed_solution_thumbnail

For the given A.P., 2,? , 26

The first and third terms are:

a = 2

a3 = 26

As we know, for an A.P.,

an = a + (n − 1)d

Therefore, putting the values for a3 here,

a3 = 2 + (3 - 1)d

26 = 2 + 2d

24 = 2d

d = 12

a2 = 2 + (2 - 1)12

     = 14

Therefore, 14 is the missing term.

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In the following AP find the missing term.2,?,26