IBPS
Government Jobs Exams
Numerical Ability
Sequence and Series
Q. What is the next number of the following sequences.
2, 3, 8, 31, 154, ---
Read Solution (Total 3)
-
- Look upon series carefully.....
2, 3, 8, 31, 154, ---
first number of series is 2
therefore..
2*2 - 1 = 3
3*3 - 1 = 8
8*4 - 1 = 31
31*5- 1 = 154
similarly..
154*6-1 = 923
so answer willbe 923 - 10 years agoHelpfull: Yes(14) No(0)
- 2*2-1=3
3*3-1=8
8*4-1=31
31*5-1=154
154*6-1=923
- 10 years agoHelpfull: Yes(2) No(1)
- 2*1=2-0=2
2*2=4-1=3
3*3=9-1=8
8*4=32-1=31
31*5=155-1=154
154*6=924-1=923 - 10 years agoHelpfull: Yes(0) No(0)
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