IBM
Company
Logical Reasoning
Number Series
3, 20, 42, 72, ?
Read Solution (Total 7)
-
- 3 20 42 72 (Question)
17 22 30 (Difference between 2 numbers)
5 8 (Difference between 2 numbers)
3
8+3=11
11+30=41
41+72=113
Ans is:113 - 11 years agoHelpfull: Yes(33) No(7)
- 3+17=20
Add 5 to 17 that is 22
20+22=42
Add 8 to 22 that is 30
42+30=72
Add 11 to 30 that is 41
72+41=113 - 11 years agoHelpfull: Yes(8) No(1)
- take difference of two number it will come like this
17 22 30 now again take diff of two number
now you will get 5 8 so what will be the next number? here next number will be 11
so 11+30+72=113 - 11 years agoHelpfull: Yes(6) No(2)
- 3 20 42 72 113
- 11 years agoHelpfull: Yes(1) No(8)
- 3,20, 42, 72, 110
3*6 + 2= 20
5*8 +2 = 42
7*10 +2 = 72
9* 12 +2 = 110
ans 110 - 11 years agoHelpfull: Yes(1) No(4)
- the ans is 113
- 11 years agoHelpfull: Yes(0) No(0)
- 20-3=17
42-20=22 & 22-17=5
72-42=30 & 30-22=8 & 8-5=3
113-72=41 & 41-30=11 & 11-8=3
=> 113 Ans.
- 11 years agoHelpfull: Yes(0) No(2)
IBM Other Question
124 , 62 , 60 , 30 , 28 , 14 , (_ _? _)
42, 12, 40, 2, 62, ?