Aftab tells his daughter, "Seven years ago. I was seven times as old as you were then. Also, three years from now, I shall be three times as old as you will be." (Isn't this interesting?) Represent this situation algebraically and graphically.

If the numerator of a fraction is decreased by 1. It reduces to (1)/(2) and if its numerator is increased by 1. it reduces to 1. Represent this situation algebraically and graphically.

Romila went to a stationery shop and purchased 2 pencils and 3 erasers for Rs.9. Her friend Sonali saw the new variety of pencils and erasers with Romila, and she also bought 4 pencils and 6 erasers of the same kind for Rs.18. Represent this situation algebraically and graphically.

The angles of a triangle are in the ratio of 2:3:4, the measurement of greatest angle is-

The each of a cricket team buys 3 bats and 6 balls for Rs. 3900. Later, she buys another bat and 3 more balls of the same kind for Rs. 1300. Represent this situation algebraically and geometrically.

The cost of 2kg of apples and 1 kg of grapes on a day was found to be Rs. 160. After a month, the cost of 4kg of apples and 2kg of grapes is Rs. 300. Represent the situation algebraically and geometrically.

The total cost of 2 pencils and 3 pens is Rs.31. While the total cost of 3 pencils and 2 pens is Rs.29. Represent this data algebraically and graphically.

The four angles of a quadrilateral are in the ratio 1: 2:3:4. Find the measure of each angle of the quadrilateral.

Masses of 3 wires of same metal are in the ratio 1 : 2 : 3 and their lengths are in the ratio 3 : 2 : 1. The electrical resistances are in ratio