Latest Exam Aptitude Question SOLUTION: Suppose n is positive integer. Then (n^2+n)(2n+1) option may not be divisible by 2 is always divisible by 2 but may not be divisible by 3 is always divisible by 3 but may not be d

• Placement Papers
• /
• Exam
• /
• Numerical Ability

Exam Question Papers:

(#M40058777) EXAM Numerical Ability question divisibilty Keep an EYE

Suppose n is positive integer. Then (n^2+n)(2n+1)

option
may not be divisible by 2
is always divisible by 2 but may not be divisible by 3
is always divisible by 3 but may not be divisible by 6
is always divisible by 6

Asked In Exam ali (10 years ago)

Unsolved Read Solution (2)

Is this Puzzle helpful?   (0)   (0) Submit Your Solution

Read Solution (2) :

sravani  (10 years ago)

Always divisible by 6

Is this solution Helpfull? Yes | No   

ali  (10 years ago)

(n^2+n)(2n+1) is written as n(n+1)(2n+1)
if n is multple of 2 then even positive integer * odd positive integer * odd positive integer is always even positive integers
if n is multple of 3 then odd positive integer * even positive integer * odd positive integer is always even positive integers

there fore it gives always even positive integers ,which is always divisible by 2 but may not be divisible by 3

Is this solution Helpfull? Yes | No   

Please Login to Read Solution.