Nishi has 5 coins, each of the different denomination. Find the number different sums of money she can form.

A person X has four notes of rupee 1, 2, 5 and 10 denomination. The number of different sums of money she can form from them is

The sum of two numbers is 33 and their difference is 17. Find the numbers.

The sum of two numbers is 137 and their difference is 43. Find the numbers.

The sum of two numbers is 146 and their difference is 18. Find the numbers.

The sum of two numbers is 25 and their difference is 13. Find those numbers.

Raju has Rs. 210 in the form of coins 20% of the coins are in Rs. 5,25% in Rs. 10,15% in Rs, 2 and the remaining ones in Rs. 1 denominations. Find the number of Rs. 1 coins