IBM
Company
Logical Reasoning
Number Series
Q. Waht is the next number of the following sequence
1. 1,3,3,2,8,10,3,4,12,?
2. 7776, 625, 64,9,?
3. 7,-14,-4,15,-30,-20,-21,?
4. 7,-35, -34, -3, 15, 16, ?
5. 4,2,4,8,6,8,,16,?
6. 3,7,10,8,4,12,0,5,5,3,2,?
7. 3,2,1,4,5,4,5,1,0,6,3,2,?
8. 507,169,248,62,36,12,168,42,168,?
9. 2,3,10,15,26,35,50,?
10. 7,4,6,3,4.5,1.5,2.25,?
11. 7.2,2.2,3.2,16,11,12,60,55,56,?
12. 0.7,1.2,1.2,2.2,1.7,3.2,2.2,4.2,?
Read Solution (Total 22)
-
- 1.ans will be 4....explanation : 1*3=3
2+8=10
3*4=12
4+_=_
so ans will be 4 - 11 years agoHelpfull: Yes(13) No(6)
- 2.6^5=7776,5^4=625,4^3=64,3^2=9,2^1=2 so ans 2
1.1*3=3,2+8=10,3*4=12,12+2=14 ans
3.7*-2,15*-2,-21*-2=42 ans
4.7*-5+1=-34,-3*-5+1=16 so nxt is 13
5.-2 +2...... 16-2=14 ans
6.3+7,8*4,0+5,3+2=5 ans
7.3(2,1).4(5,4),5(1,0),6(3,2),nxt is 7 ans
8.*3,*4,*3,*4,168/3=56 ans
9.1^2+1=2,2^2-1=3,3^2+1=10,4^2-1=15,5^2+1=26,6^2-1=35,7^2+1=50,8^2-1=63 ans
12. 0.7+.5=1.2,1.2+.5=1.7,1.7+.5=2.2,2.2+.5=2.7 ans
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- 11 years agoHelpfull: Yes(12) No(4)
- 10.ans is :-0.75
break the series with two in a group.
nw see that the difference series is -3,-3.-3,-3....like this.
2.25-3= -0.75 - 11 years agoHelpfull: Yes(9) No(0)
- 11. 2.2-7.2 =-5 2.2+1=3.2 3.2*5=16
11-16 =-5 11+1=12 12*5=60
60-55=-5 55+1=56 56*5=280 (ans)
So Next Term is = 280
- 11 years agoHelpfull: Yes(9) No(2)
- 11.For first 3 terms : 3.2 - 1 = 2.2 and 3.2 + 4 = 7.2
For next 3 terms: 12-1=11 and 12+4 = 16
For Next 3 terms : 56-1=55 and 56+4=60
also,
4th term = 5 * 3rd term
7th term = 5 * 6th term
therefore, 10th term = 5 * 9th term = 5*56 = 280
- 11 years agoHelpfull: Yes(5) No(0)
- 10). 7 - 3 = 4 , 6 ÷ 2 = 3 , 4.5 - 3 = 1.5 , 2.25 ÷ 2 = 1.125
Therefore the ans is 1.125 - 10 years agoHelpfull: Yes(4) No(0)
- 8). 507/3 = 169 , 248/4 = 62 , 36/3 = 12 , 168/4 = 42 , 168/3 = 56.
Therefore the ans is 56. - 10 years agoHelpfull: Yes(3) No(0)
- 12. Ans: 6.7
0.7+0.5=1.2
1.2+1.0=2.2
1.7+1.5=3.2
2.2+2.0=4.2
4.2+2.5=6.7 - 10 years agoHelpfull: Yes(3) No(0)
- 1. 1*3=3,2+8=10,3*4=12,4....(ans)----1,2,3,4 comes after one multiplication one addition.
2.7776=6^5,625=5^4,64=4^3,9=3^2,2=2^1
3.7*(-2)=-14+10=-4(cross (-2) plus 10 sequence follows..) so ans---(-21)*(-2)=42
4.7*(-5)=-35+1=-34,-3*(-5)=15,+1=16,4*(-5)=-20.
5.4-2=2+2=4*2=8-2=6+2=8*2=16-2=14(ans)(-2,+2,*2 sequence...)
-- --- --- - 11 years agoHelpfull: Yes(2) No(0)
- guys plz send me english assesment paper 4 ibm plz my email----chandankishor1195@gmail.com
- 11 years agoHelpfull: Yes(2) No(0)
- 11). 7.2 - 5 = 2.2 , 2.2 + 1 = 3.2 , 3.2 × 10 ÷ 2 = 16,
16 - 5 = 11 , 11 + 1 = 12 , 12 × 10 ÷ 2 = 60,
60 - 5 = 55 , 55 + 1 = 56 , 56 × 10 ÷ 2 = 280
Therefore the ans is 280 - 10 years agoHelpfull: Yes(2) No(0)
- 10. 2.25-3=-0.75
- 10 years agoHelpfull: Yes(1) No(0)
- 1. 1,3,3,2,8,10,3,4,12,?
1st no is 1
4th no is 2
7th no is 3
10th no is 4
so ans is 4
2. 7776, 625, 64,9,?
7776 = 6^5
625 = 5^4
64 = 4^3
9 = 3^2
2 = 2^1
so 2 is ans
3. 7,-14,-4,15,-30,-20,-21,?
1st div by 2nd -14/7 = -2
4th div by 5th -30/15 = -2
7th div by 8th -21/42 = -2
so 42 is ans.
- 10 years agoHelpfull: Yes(1) No(0)
- 6. 3,7,10,8,4,12,0,5,5,3,2,?
1st + 2nd = 3rd =>3 + 7 = 10
4th + 5th = 6th =>8 + 4 = 12
7th + 8th = 9th =>0 + 5 = 5
10th + 11th = 11th =>3 + 2 = 5
so ans is 5
7. 3,2,1,4,5,4,5,1,0,6,3,2,?
1st no is 3
4th no is 4
7th no is 5
10th no is 6
13th no is 7
so ans is 7
8. 507,169,248,62,36,12,168,42,168,?
507,169 507/169 = 3
248,62 248/62 = 4
36,12 36/12 = 3
168,42 168/42 = 4
168,? 168/X = 3
put the value of x is 56
so 168/56 = 3
so ans is 56
- 10 years agoHelpfull: Yes(1) No(0)
- 9)1^2+1=1
2^2-1=3
3^2+1=10
4^2-1=15
5^2+1=26
6^2-1=35
7^2+1=50
8^2-1=63
our solution is 63 - 10 years agoHelpfull: Yes(1) No(0)
- what will be the nxt number in 4th question
logic I used is 7*-5+1 -3*-5+1 - 9 years agoHelpfull: Yes(1) No(0)
- 3.sol:7*-2,dummy,15*-2,dummy,-21*-2=42 .......
- 11 years agoHelpfull: Yes(0) No(0)
- plz send me english assesment paper 4 ibm plz my email is
shalinisen28@gmail.com - 11 years agoHelpfull: Yes(0) No(0)
- guys plz send me english assesment paper 4 ibm plz in my email--
kumari2013devki@gmail.com - 10 years agoHelpfull: Yes(0) No(0)
- (5,6,30)
30 is next no - 10 years agoHelpfull: Yes(0) No(1)
- what is the correct sol for 2?
- 10 years agoHelpfull: Yes(0) No(0)
- guys....plz send me english assesment papers....ayshu.530@gmail.com....i have xam on 21st....plz
- 10 years agoHelpfull: Yes(0) No(0)
IBM Other Question
Q. What is the next number of the following sequence
1. 1,3,3,2,8,10,3,4,12,4,8,?
2. 8,0.5,16,4,15,0.3,50,4.5,6,0.2,30,?
3. 5/6,1/3,1/2,1/2,2/8,1/4,5/6,1/6,2/3,1/2,1/3,?
4. 3/2,9/4,9/4,7/2,49/2,49/4,4/3,16/9,16/9,8/3,?
5. 2,6,5,14,11,26,17,?
6. 6,18,21,8,11,33,2,6,9,5,8,24,7,21,?
7. 9,4,16,6,36,21,441,?
8. 7,-35,-34,-3,15,16,4,?
9. 2,7,-35,7,12,-60,5,10,?
Q. What is the next number of the following sequecne
1.8,3,0,6,2.5,5,0.5,3.4,2,1.7,4.8,6,?