Salem uncle of our village used of this savings to buy a house after his retirement from a government job. One day after falling in trouble, he sold his house and got 5% more than his cost price. If he would have taken Rs. 3450 rupees more then he would get 8% more than his cost price. Let’s find the amount of money Salem uncle used to buy his house, and his entire savings.

At present, my father’s age in 7 times of my age. After 10 years my father’s age is 3 times of my age. Let’s calculate and write the present age of my father and me.

My uncle changed a 1000 rupee cheque from a bank in the form of 5 rupee and 10 rupee notes. If he received 137 notes in total then find the number of 5 rupee notes that he got.

There was a food provision for twenty days in a refugee camp of the village Goplapur. After 7 days, 100 more refugees joined the refugee camp and they consumed the food grains within 11 days. Let’s write the number of refugees that were present initially.

Let’s find the roots of the equations (i.e. let’s solve the equations).