Latest IBM Aptitude Question SOLUTION: 9 12 4 8 12 15 5 9 -3 6 2 6 6 -9

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(#M40017536) IBM Logical Reasoning question series Keep an EYE

9 12 4 8 12 15 5 9 -3 6 2 6 6 -9

Asked In IBM surekha (11 years ago)

Unsolved Read Solution (4)

Is this Puzzle helpful?   (10)   (3) Submit Your Solution Number Series

Read Solution (4) :

Akanksha Rani  (11 years ago)

9 12 4 8 12 15 5 9 -3 6 2 6 6 -9 -3
+ / + + + / + + + / + + + /
3 3 4 4 3 3 4 -12 9 3 4 0 -15 3
here / after +++ nd all / by 3 so
when we (-9/3=-3)
ans=-3

Is this solution Helpfull? Yes (10) | No (18)  

Narasimha  (9 years ago)

Ans -3
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Divide the Series into sets of two numbers

(9,12) Diff 3 Divide the Second number by 3 to get the first number in next set(12/3=4)
(4,8) Diff 4
(12,15) Diff 3 Divide the Second number by 3 to get the first number in next set(15/3=5)
(5,9) Diff 4
(-3,6) Diff 3 Divide the Second number by 3 to get the first number in next set(6/3=2)
(2,6) Diff 4
(6,-9) Diff 3 Divide the Second number by 3 to get the first number in next set(-9/3=-3)
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So Answer is -3

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

Muthu Madhavan  (10 years ago)

115-100=-15
100-86=-14
86-74=-12
74-65=-9
65-60=-5
-15+1=-14
-14+2+-12
-12+3=-9
-9+4=-5
-5+5=0
ans is 60+0=60

Is this solution Helpfull? Yes | No (6)  

Sufal Ghosh  (7 years ago)

Answer should be 9

Is this solution Helpfull? Yes | No   

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