Latest IBM Aptitude Question SOLUTION: 1,2,2,4,8,1,8,1/2,4,1,4,4

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(#M40032305) IBM Logical Reasoning question series Keep an EYE

1,2,2,4,8,1,8,1/2,4,1,4,4

Asked In IBM prasad borole (10 years ago)

Unsolved Read Solution (7)

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Priyanka Gundawar  (10 years ago)

1*2=2
2*4=8
8*1=8
8*1/2=4
4*1=4
4*4=16.
so the answer is 16.

Is this solution Helpfull? Yes (31) | No (6)  

sivaabhilash  (10 years ago)

its quite easy
consider the alternate numbers i.e,odd places 1 2 8 8 4 4 ...
the other alternate numbers i., even places 2 4 1 0.5 1 4 ..
now by multiplying the first number of odd place with first number of even we get the next number of odd place
1*2=2
2*4=8
8*1=8
8*0.5=4
4*1=4
finally 4*4=16

Is this solution Helpfull? Yes (16) | No (2)  

Madhu  (10 years ago)

Priyanka : the series should be a continuous one can u please xplan me how to get 1 after we get the very first 8

Is this solution Helpfull? Yes (4) | No (1)  

GANAPATI  (10 years ago)

16

Is this solution Helpfull? Yes (2) | No   

gaddananitha  (10 years ago)

1*2=2, 2*2=4, 2*4=8;
8*1=8, 8*1/2=4, 4*1=4, 1*4=4......4*4=16,

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

GAURAV KUMAR SINGH  (7 years ago)

here * and = are continuous...see
1*2=2 *4=8 *1=8 *(1/2)=4 *1=4* 4= 16
so ans is16.

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Harinder Kaur Pahwa  (5 years ago)

(1,2,2,4,8) => 1*2 = 2, 2*4 = 8 Product of 1st 2 numbers is the 3rd number
(8,1,8,1/2,4) => 8*1 =8, 8*1/2 = 4
(4,1,4,4,16) => 4*1 = 4, 4*4 = 16

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