IBM
Company
Logical Reasoning
Number Series
2 9 5 49 11 169
Read Solution (Total 6)
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- Answer is 17.
Solution:
2^1=2
3^2=9
5^1=5
7^2=49
11^1=11
13^2=169
The next prime number 17 and from the sequence
17^1=17
Answer:17
- 11 years agoHelpfull: Yes(23) No(0)
- its a series of prime numbers
(2)^1=2 (3)^2=9 (5)^1=5 (7)^2=49 (11)^1=11 (13)^2=169 (17)^1=17
ans is 17 - 11 years agoHelpfull: Yes(3) No(0)
- prime 2-3^2-5-7^2-11-13^2-17
ans=17
- 11 years agoHelpfull: Yes(2) No(0)
- Solution:
2^1=2
3^2=9
5^1=5
7^2=49
11^1=11
13^2=169
The next prime number 17 and from the sequence
17^1=17
Answer:17 - 11 years agoHelpfull: Yes(1) No(0)
- ans 20
take two series alternatively
2 5 11, 2-5=-3, 5-11=-6 so similarly 11-20=-9.
- 11 years agoHelpfull: Yes(1) No(3)
- 5-2 = 3^2 = 9
11-5 = 7^2 = 49
24 - 11 = 13^2 = 169
ans = 24 - 9 years agoHelpfull: Yes(0) No(1)
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