IBM
Company
Logical Reasoning
Number Series
2,9,30,105,x,2195?
3,4,12,45,x,1005?
1,3,9,31,x,651?
5,x,4,7.5,17,45?
15,30,x,40,8,48?
Read Solution (Total 24)
-
- 1)
(2+7)*1=9,(9+6)*2=30,(30+5)*3=105,(105+4)*4=436 - 12 years agoHelpfull: Yes(42) No(0)
- 3)
1*1+2=3,
3*2+3=9,9*3+4=31,31*4+5=129,129*5+6=651 - 12 years agoHelpfull: Yes(35) No(1)
- 15,30,x,40,8,48
ans 10 - 12 years agoHelpfull: Yes(21) No(4)
- 3,4,12,45,x,1005:- (x=96)
(3+1)*1=4
(4+2)*2=12
(12+3)*3=45
(45+4)*4=196
(96+5)*5=1005 - 12 years agoHelpfull: Yes(18) No(4)
- 4) 5,x,4,7.5,17,45:- (x=3)
make pairs:
(5,x) (4,7.5) (17,45)
(4*1.5)+1.5=7.5
(17*2.5)+2.5=45
So (5*.5)+.5=3 - 12 years agoHelpfull: Yes(13) No(4)
- 5) 15,30,x,40,8,48:- (x=10)
15*2=30
x*y=40
8*6=48
so by logic its the multiplication of even numbers with certain number in series...hence 10*4 will give 40 - 12 years agoHelpfull: Yes(13) No(0)
- 5)15*2=30,30/3=10,10*4=40,40/5=8,8*6=48
so answer should be 10
- 11 years agoHelpfull: Yes(7) No(0)
- 2
(2+7)*1=9
(9+6)*2=30
(30+5)*3=105
(105+4)*4=436
(436+3)*5=2195
so 436 is the answer for x - 11 years agoHelpfull: Yes(4) No(1)
- 2)3*1+1^2=4
4*2+2^2=12
12*3+3^2=45
45*4+4^2=196=x
196*5+5^2=1005
so ans is 196 - 11 years agoHelpfull: Yes(4) No(0)
- 3) Answer=93
1*3=9 - 12 years agoHelpfull: Yes(2) No(2)
- 1,3,9,31,x,651
1*1=1
1+2=3
3*2=6
6+3=9
9*3=27
27+4=31
31*4=124
124+5=129
x=129 - 11 years agoHelpfull: Yes(2) No(0)
- Arjunbala plz explain how 10 is the answer of 15,30,x,40,8,48?
- 12 years agoHelpfull: Yes(1) No(0)
- 3)
how 9?? - 12 years agoHelpfull: Yes(0) No(0)
- sella after your written test pls update the questions i m goin to attend on 23rd...if u wish send mail to arjunbala2020@gmil.com
- 12 years agoHelpfull: Yes(0) No(0)
- Hi! In quantitative aptitude what are all the topics to be cover for written exam?
- 12 years agoHelpfull: Yes(0) No(0)
- i dont knw if u find anything pls share with us..
r u coming on 23rd? geetha?? - 12 years agoHelpfull: Yes(0) No(0)
- @ArjunBala 2mrw at 12 'm having intrw.. 2mrw 'l update the pattern..
- 12 years agoHelpfull: Yes(0) No(0)
- @geetha devaraj may i know wr s ur location? 2maro am also havin test...4:30pm
- 12 years agoHelpfull: Yes(0) No(0)
- @geetha.. thnxx i m n madurai 2morow n8 i ll travel to chennaiii , so pls update as soon as possiblee...
- 12 years agoHelpfull: Yes(0) No(0)
- @Sella in SA Engg Clg, Chennai..
- 12 years agoHelpfull: Yes(0) No(0)
- @Arjunbala Sure.. 'l update ASAP..
- 12 years agoHelpfull: Yes(0) No(0)
- 5) 15*2=30
x*y=40
8*6=48
so 10*4=40 - 11 years agoHelpfull: Yes(0) No(0)
- 2nd ans-962
- 9 years agoHelpfull: Yes(0) No(0)
- (15,30), (x, 40) ,(8,48) ? 15*1+15=30 10*3+10=40 8*5+8=48 so answer is 10
- 7 years agoHelpfull: Yes(0) No(0)
IBM Other Question
anyone going to attend IBM on 23rd???
63/4,16,26,46/5,9,19,194/3,65,75,243/8,?