Quant Warrior
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- Joined
- May 25, 2020
- Messages
- 28
If 'x' is a positive integer such that 2x+12 is perfectly divisible by 'x' , then the number of possible values of 'x' is:
a)2
b)5
c)6
d)12
I took random values of x starting from 1 and tried to get the expression ''2x+12' by 'x'. I got the number of values as 6 which is the correct answer. Solution to this question in my book is: the number of factors of 12 would be the number of possible values of 'x' that can divide ''2x+12" perfectly.
Why did they take take number of factors of 12 as the answer ?
Please help.
Regards.
a)2
b)5
c)6
d)12
I took random values of x starting from 1 and tried to get the expression ''2x+12' by 'x'. I got the number of values as 6 which is the correct answer. Solution to this question in my book is: the number of factors of 12 would be the number of possible values of 'x' that can divide ''2x+12" perfectly.
Why did they take take number of factors of 12 as the answer ?
Please help.
Regards.