Which term of the series 5, 8, 11, 14, ….is 320 ?
Table of Contents
A. 104th
B. 105th
C. 106th
D. 64th
Answer & Solution
Answer: Option C
Solution:
Clearly, 5 + 3 = 8, 8 + 3 = 11, 11 + 3 = 14,…………….
So, the series in an A.P. in which a = 5 and d = 3
Let 320 be the nth term of the series.
Then, 320 = 5 + (n – 1) × 3 or (n – 1) = 105 or n = 106
Also Read:
- 1, 9, 25, 49, ?, 121.
- 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
