Question

Q18 Find the missing term in the series given below:
8, 27, 86, 265, ?, 2423
Ops: A. 0804
W
B. 0716
C. 814
D. 924
​

Answer 1

Answer:

804 is the right answer for this question

Answer 2

Given : 8, 27, 86, 265, ?, 2423

To Find : missing term in the series

A  804

B.  716

C.  814

D. 924

Solution:

8

8 * 3  + 3  = 27

27 * 3  + 5  = 86

86 * 3 + 7  = 265

265 * 3 + 9 = 804

804 * 3 + 11  = 2423

Hence 804 is missing term

correct option is A) 804

Logic is Previous number multiplied by 3  and Next odd number is added starting with 3

Tₙ = Tₙ₋₁  * 3  +   (2n - 1)  where T₁ =8  n > 1

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