Latest IBM Aptitude Question SOLUTION: 18,20,10,12,4,6?

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(#M40004259) IBM Logical Reasoning question Series Keep an EYE

18,20,10,12,4,6?

Asked In IBM (12 years ago)

Unsolved Read Solution (6)

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Read Solution (6) :

Shreya  (11 years ago)

18+2=20,20-10=10
10+2=12,12-8=4
4+2=6,6-6=0
0 answer

Is this solution Helpfull? Yes (28) | No (5)  

Abhishek Mandal  (7 years ago)

this question holds so many logic. People who commented below are right. But before checking those, when I tried solving, I came up with this one.

18+2=20
20/2=10
10+2=12
12/3=4
4+2=6
6/4= 6/4 or 3/2 ans

Many will have doubt as whose answer is going to be right. So, look at the answer option.

Is this solution Helpfull? Yes (2) | No (1)  

supriya  (9 years ago)

18+2=20
20-10=10
10+2=12
12-8=4
4+2=6
6-6=0
so answer will be:- 0

Is this solution Helpfull? Yes (1) | No (2)  

Diptabhas  (7 years ago)

18-20=2
20-10=10
10-12=2
12-4=8
4-6=2 then this calculation we can conclude that 6-6=0 so ans is 0

Is this solution Helpfull? Yes (1) | No   

akhil  (8 years ago)

3*6=18
3*6+2=20
2*5=10
2*5+2=12
1*4=4
1*4+2=6
0*3=0
0*3+2=2

Is this solution Helpfull? Yes | No (1)  

sanjna  (7 years ago)

18+2=20
18-10=8 ( difference is 8 between 1st and 3rd no)
10-4=6 ( difference between 3rd and 5th no is 6)
difference between no's palced in odd positions are reducing by 2
4-?=4 ( so ans will be 0)
answer is 0

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