When the integer n is divided by 7, the remainder is 3. What is the remainder if 5n divided by 7?

The sum of the digits of a 2 digit number is 9. When 27 is added to the number, the digits get interchanged. Find the number.

The total number of integers between 100 and 200, which are divisible by both 9 and 6, is 

The sum of four numbers is 64. If we add 3 to the first number, 3 is subtracted from the second number, the third is multiplied by 3 and the fourth is divided by 3, then all the results are equal. What is the difference between the largest and the smallest of the original number?

Direction : What value should come in the place of question mark (?) in the following questions?

$$ \sqrt{8281} =(?) $$

The product of two consecutive odd numbers is 399. Find the lower of them.

A number when divided by 119, leaves a remainder of 19. If it is divided by 17, it will leave a remainder of: 

Select the number triad that is analogous to the given triads.
 (64, 8, 65), (125, 27, 89)