Curioustab

Home » Aptitude » Number System

The number ( 6x 2 + 6x ) for natural number x is always divisible by ...

6 and 12
12 only
6 only
3 only

Correct Answer: 6 and 12

Explanation:

6x² + 6x = 6x( x + 1 ) which is clearly divisible by 6 and 12 as x( x + 1 ) is even.

← Previous Question Next Question→

More Questions from Number System

If N, N + 2, and N + 4 are prime numbers, then the number of possible solutions for N are
The smallest positive prime (say p) such that 2 p - 1is not a prime is
24 is divided into two parts such that 7 times the first part part added to 5 times the second part makes 146. The first part is?
The Sum of two number is 15 and sum of their square is 113. The numbers are?
A positive number when decreased by 4, is equal to 21 times the reciprocal of the number, the number?
The number 6 2n - 1, where n is any positive integer, is always divisible by?
Which of the following numbers is not a square of any natural number?
Of the three numbers, the first is twice the second and is half of the third. if the average of three number is 56. the smallest number is?
The number x is exactly divisible by 5 and the remainder obtained on dividing the number y by 5 is 1. what remainder will be obtained when (x + y) is divided by 5?
If the unit digit in the product 75? x 49 x 867 x 943 be 1, then the value of? is

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion