CSC
Company
Logical Reasoning
Number Series
Insert the missing number.
8, 7, 11, 12, 14, 17, 17, 22, (....)
A. 27 B. 20
C. 22 D. 2
Read Solution (Total 4)
-
- 8,11,14,17,20=dif of adj num is 3
7,12,17,22,= dif is 5
so next num is 27 - 12 years agoHelpfull: Yes(3) No(5)
- B.20
8,11,14,17
(11-8),(14-11),(17-14)=3
similarly for 7,12,17,22..
so ans is 20
- 9 years agoHelpfull: Yes(0) No(0)
- there are two series in which one increament by 3 and other by 5
8+3=11 7+5=12
11+3=14 12+5=17
14+3=17 17+5=22
17+3=20
means answer is B - 8 years agoHelpfull: Yes(0) No(0)
- 7,11,12,14,17,17,22,...Split the question into two series as follows
1st series: 7,12,17,22
2nd series:11,14,17,-----
In 2nd series difference is +3, so answer is 17+3=20 - 7 years agoHelpfull: Yes(0) No(0)
CSC Other Question
Insert the missing number.
2, 4, 12, 48, 240, (....)
A. 960 B. 1440
C. 1080 D. 1920
Insert the missing number.
11, 13, 17, 19, 23, 29, 31, 37, 41, (....)
A. 43 B. 47
C. 53 D. 51