IBM
Company
Logical Reasoning
Number Series
Question Paper IBM Bangalore 2 October 2016
(1)1,3,4,5,13,2,3,4,22,1,2,3,?
Solution-> 1+3+4+5=13, 13+2+3+4=22, 22+1+2+3=28
(2)48,24,35,7,16,8,75,15,80,?
Solution-> 48/2=24 35/5=7
16/2=8 75/5=15
80/2=40
(3)5,10,9,3,6,5,4,8,7,7,?
Solution-> 5*2=10 10-1=9
3*2=6 6-1=5
4*2=8 8-1=7
7*2=14
(4)7,4,6,3,4.5,1.5,2.25,-0.75,?
Solution-> 7-3=4; 4*(3/2)=6 ;
6-3=3; 3*(3/2)=4.5;
4.5-3=1.5; 1.5*(3/2)=2.25;
2.25-3=-0.75; -0.75*(3/2)= -1.125
(5)1/4,1/4,1/2,3/2,6,?
Solution->
(6)49,7,98,16,4,48,9,3,36,25,5,?
Solution-> 7^2,7,49*2
4^2,4,16*3
3^2,3,9*4
5^2,5,25*5=125
(7)507,169,248,62,36,12,168,42,168,?
Solution-> 169*3,169, 62*4,62,
12*3,12 42*4,42
56*3=168 So 56 is Ans
(8)1,3,1,2.5,5,1,4,5,4,8,7,?
Solution-> 1+3+1=5 /2=2.5
5+1+4=10 /2=5
4+8+7=19 /2=9.5
(9)13,24,36,23,34,56,?
Solution-> 13,23,33 24,34 36,56
(10) 7,0,1,8,5,12,9,26,3,23,2,?
Solution-> 28
(11)4,2,36,4,5,1,36,16,?
(12)2,3,10,15,26,?
(13)0.03,0.0018,0.00108,0.00648,0.3888,?
Solution->Multiply by 0.06,0.6,6,60,600
Ans 233.28
(14)4,11,66,74,370,379,?
Solution-> 4, 11,11*6, 74,74*5, 379,379*4=1516 Ans
(15)7,9,11,6,11,8,5,13,5,4,15,?
Solution-> 3 series 7,6,5,4
9,11,13,15
11,8,5,2(Ans)
(16)2,1,2,3,2,9,9,0,1,1,9,?
Solution->2^1=2 3^2=9 9^0=1 1^9=1
(17)2,7,36,4,14,225,6,21,?
Solution-> 2+7=9 (9-3)^2=36
4+14=18 (18-3)^2=225
6+21=27 (27-3)^2=576
Read Solution (Total 28)
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- ques 5) 1/4*1=1/4,1/4*2=1/2,1/2*3=3/2,3/2*4=6,6*5=30 ans:30
- 8 years agoHelpfull: Yes(13) No(0)
- Question no 12, 1*1 + 1, 2*2 -1 , 3*3 + 1, 4*4 - 1, 5*5 + 1, 6*6 -1... So the answer is 35
- 8 years agoHelpfull: Yes(5) No(1)
- (9)13+24=37 37-1=36
23+34=57 57-1=56
33+44 =77 77-1=76
ans - 33 - 8 years agoHelpfull: Yes(5) No(0)
- 11. 4,2,36,4,5,1,36,16,?
Ans: (4+2=6*6=36,4^1=4)
(5+1=6*6=36,4^2=16)
--> next number group will be
6,0,36,64 - 8 years agoHelpfull: Yes(5) No(1)
- did u get any mail for further rounds
- 8 years agoHelpfull: Yes(2) No(0)
- Q5: 1/4,1/4,1/2,3/2,6,?
Ans:
1/4*1=1/4
1/4*2=1/2
1/2*3=3/2
3/2*4=6
6*5= 30 ans - 8 years agoHelpfull: Yes(2) No(0)
- Q) 11. 4 2 36 4 5 1 36 16.. there are two series.. 4+2 = 6, 6*6=36, 4-2 = 2, 2*2 = 4.. similarly. 5 + 1 = 6 , 6*6 = 36, 5 - 1= 4, 4*4 = 16.
- 8 years agoHelpfull: Yes(1) No(3)
- Q5) we can write the following series 1/4,1/4,1/2,3/2,6,? like as 1/4,1/4,2/4,6/4,6
(1/4)/(1/4)=1
(2/4)/(1/4)=2
(6/4)/(2/4)=3
(6)/(6/4)=4
so (x)/6=5
Hence x=30 - 8 years agoHelpfull: Yes(1) No(0)
- 2, 7, 36, 4, 14, 225, 6, 21, ?
break in three series
2, 4, 6 (increments by +2)
7,14,21 (increments by +7)
36(62),225(152),?
62, 152 , ? ( increments by +9)
so ans is (15+9)2 = 242 = 576 - 8 years agoHelpfull: Yes(1) No(0)
- Question no.5)
1/4*1=1/4
1/4*2=1/2
1/2*3=3/2
3/2*4=6
6*5=30
- 8 years agoHelpfull: Yes(1) No(0)
- (12) 2,3,10,15,26,?
1^2+1=2
2^2-1=3
3^2+1=10
4^2-1=15
5^2+1=26
6^2-1=35
Ans: 35 - 8 years agoHelpfull: Yes(1) No(0)
- Did you or any1 got the result for this round on 2nd Oct Bangalore? If yes then when?
- 8 years agoHelpfull: Yes(0) No(0)
- Anyone received any mail regarding the result ?
- 8 years agoHelpfull: Yes(0) No(0)
- pls send apti questions as well as business communication questions to my mail,madhurisomisetti222@gmail.com
- 8 years agoHelpfull: Yes(0) No(0)
- 5.ans=30 1/4*1=1/4*2=1/2*3=3/2*4=6*5=30
- 8 years agoHelpfull: Yes(0) No(0)
- how about for qutn 12>>
2+3=5.>5*2>10 nd 5*3=15
now 3+10=13>>13*2=26..nd 13*3=39? - 8 years agoHelpfull: Yes(0) No(2)
- Question 10:
(7+0+1=8),
(5+12+9=26),
(3+23+2=28)
Ans= 28 - 8 years agoHelpfull: Yes(0) No(0)
- Question 17:
Ist Part:2,7,36
4,14,225
6,21,?
set of three numbers
2 4 6 is (differnce between niumbers is 2)
7 14 21(differnce between niumbers is 7)
36 225 ?(it is 6^ 2,15^2, is differnce between two number is 9 then 15+9 = 24,24^2 =576)
ans = 576 - 8 years agoHelpfull: Yes(0) No(0)
- 1/4,1/4,1/2,3/2,6,?
1/4*1=1/4
1/4*2=1/2
1/2*3=3/2
3/2*4=6
6*5=30
answer=30 - 8 years agoHelpfull: Yes(0) No(0)
- sol for Q 5
1/4 * 1= 1/4
1/4 * 2=1/2
1/2 * 3=3/2
3/2 * 4=6
6 * 5=30
so the ans will be 30 - 8 years agoHelpfull: Yes(0) No(0)
- 12. 2,3,10,15,26,?
Ans: first find out the difference between
2nd no. & 1st no.
Therefore the new series is as follows:
3-2=1,10-3=7,15-10=5,26-15=11
==> 1,7,5,11
2 series => (1,5,.....) & (7,11,.....)
Or (1,5,9,....) & (7,11,15,....)
Therefore difference between (?-26)
must be equal to 9
Hence, desired no. is 35 - 8 years agoHelpfull: Yes(0) No(1)
- 5) 1/4, 1/4, 1/2, 3/2, 6 ?
1/4*1= 1/4
1/4*2= 1/2
1/2*3= 3/2
3/2*4= 6
6*5= 30
ans would be -- 30 - 7 years agoHelpfull: Yes(0) No(0)
- 5> 1/4,1/4,1/2,3/2,6,?
sol: 1/4*1=1/4
1/4*2=1/2
1/2*3=3/2
3/2*4=6
6*5=30
so 30 is the answer - 7 years agoHelpfull: Yes(0) No(0)
- 5>1/4,1/4,1/2,3/2,6?
ans-1/4*1=1/4,1/4*2=1/2,1/2*3=3/2,3/2*4=6,6*5=30
next term 30 - 7 years agoHelpfull: Yes(0) No(0)
- (12)2,3,10,15,26,?
Split the series in two with alternate numbers
1)2,10,26..... & 2)3,15,?,....
10-2=8
26-10=16
as 16=8x2
2)15-3=12
?-15=12x2
?=24+15=39(ans) - 7 years agoHelpfull: Yes(0) No(0)
- Ans 5
1/4 + 1/4= 1/2 * 1=1/2
1/4 + 1/2= 3/4 * 2=3/2
1/2 + 3/2= 2 * 3=6
3/2 + 6. =15/2* 4=30 - 7 years agoHelpfull: Yes(0) No(0)
- 5) 1/4*1=1/4
1/4*2=1/2
1/2*3=3/2
3/2*4=6
6*5=30 - 7 years agoHelpfull: Yes(0) No(0)
- (5)1/4,1/4,1/2,3/2,6
solution--> 1/4*1=1/4
1/4*2=1/2
1/2*3=3/2
3/2*4=6
6*5=30 - 7 years agoHelpfull: Yes(0) No(0)
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