What will be come in place of question mark(?) in the following number series?
13 , 14 , 30 , 93, ?, 1885

What is the quotient , when 2645 is divided by 48 ? 

The sum of two digit number is 16. If the digit is interchanged the number is formed 18 less than the original number. Find the original number.

What should be added at least in 1140 so that it becomes a perfect square?

x is a five - digit number. The digit in ten thousand's place is 1. The number formed by its digits in unit's and ten's places is divisible by 4. The sum of all the digits is divisible by 3 . If 5 and 7 also divide x, then x will be: 

What is the sum of first 14 natural numbers?

The sum of all natural numbers between 100 and 200. Which are multiple of 3 will be: 

Two numbers are such that their difference, their sum and their product is in the ratio of 1: 7: 24. The product of numbers is