In a two digit number if it is known that its unit digit exceeds its tens digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is 

A number is doubled and 9 is added. If the resultant is tripled, it becomes 75. What is that number? 

The number of pairs of natural numbers the difference of whose squares is 45 will be –

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

What is the sum of first 14 natural numbers?

The smallest 5-digit number divisible by 41 is:

What is the sum of two consecutive even numbers, the difference of whose square is 84? 

If the sum of first three natural numbers from a group of six consecutive natural numbers is 36, then the sum of last three natural numbers will be?