In the series 2, 6, 18, 54, …., what will be the 8th term ?
Table of Contents
A. 4370
B. 4374
C.7443
D. 7434
Answer & Solution
Answer: Option B
Solution:
Clearly, 2 × 3 = 6, 6 × 3 = 18, 18 × 3 = 54,…………..
S, the series is a G.P. in which a = 2, r = 3
∴8th term = ar(8 – 1)= ar7 = 2 × 37 = (2 × 2187) = 4374
Also Read:
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- 4, 7, 12, 19, 28, ?
- 6, 11, 21, 36, 56, ?
- 10, 100, 200, 310, ?
- 8, 28, 116, 584, ?
- 3, 7, 23, 95, ?
- 7, 26, 63, 124, 215, 342, ?
- 165, 195, 255, 285, 345, ?
- 34, 45, 56, 67, ……. What number should come next?
- Find out the wrong number. 150, 450, 750, 1060,1350,1650,1950
