Latest IBM Aptitude Question SOLUTION: 2, 7, -35, 7, 12, -60, 5, 10, ?.

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(#M40157732) IBM Logical Reasoning question Number Series Keep an EYE

2, 7, -35, 7, 12, -60, 5, 10, ?.

Asked In IBM MUKTI (7 years ago)

Unsolved Read Solution (12)

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Read Solution (12) :

Devendra Marghade  (7 years ago)

-50

Take a group of 3 numbers (2,7,-35) (7,12,-60) (5,10, ?)
If the numbers of the group are (x,y,z), then z= -y*(y-x)
So, -7*(7-2) =-7*5= -35
-12*(12-7)= -12*5= -60
-10*(10-5)= -10*5= -50

Is this solution Helpfull? Yes (32) | No (1)  

ravi  (7 years ago)

2 - 7 = - 5 7 * - 5 = - 35
7 - 12 = -5 12 * -5 = -60
5 - 10 = -5 10 * -5 = -50

Is this solution Helpfull? Yes (6) | No   

SATISH RAI  (7 years ago)

ANSWER : -50

(2-7)*7= -35
(7-12)*12 = -60
(5-10)*10 = -50

Is this solution Helpfull? Yes (5) | No   

anindo  (7 years ago)

2+5=7*-5=-35
7+5=12*-5= -60
5+5=10* -5=-50

Is this solution Helpfull? Yes (2) | No   

Chaithra  (7 years ago)

First divide the series in 3 numbers, nd then 7 *5=35,7-5=2... So ans is -50

Is this solution Helpfull? Yes (1) | No   

sahithi  (7 years ago)

-50 is the answer
bcoz
2+5=7
7+5=12
5+5=10
7*-5=-35
12*-5=-60
10*-5=-50

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

RAHEEMA  (7 years ago)

5*7=35
5*12=60
5*10=50
ans is=50

Is this solution Helpfull? Yes | No (1)  

ankush kumar  (7 years ago)

_50 bcoz 2+5=7 and 7* _5=_35 so 5+5=10 and 10*_5=_50

Is this solution Helpfull? Yes | No (1)  

anu  (7 years ago)

Difference bwn 2 & 7 is -5 then 7* -5 is -35.
7 & 12 is -5 then 12*-5 is -60.
In the same way difference between 5 & 10 is -5 then 10* -5 is -50.
So answer is -50.

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Pritam Ghosh  (7 years ago)

2-7=-5*7=-35
7-12=-5*12=-60
5-10=-5*10=-50

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smriti  (7 years ago)

ans: -50
sol : 2-7= -5, 7*-5= -35
7-12=-5, 12*-5=-60
5-10=-5, 10*-5=-50

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shama shanath  (5 years ago)

first divide 3 numbers into 1 set (2,7,-35) as one set , (7,12,-60) as one set (5,10,?) as one set
Now see
difference btw 1st num & 2nd num of each set is -5 , multiply -5 wth middle number of each set
2 - 7 = -5 * 7 =-35
7 - 12 = -5 * 12 = -60
5 - 10 = -5 * 10 = -50

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