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 4 kg of apples and 2 kg of grapes is Rs 300. Represent the situation algebraically and geometrically.

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

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

The cost of 2kg of apples and 1kg 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 Rs300. Represent the situation algebrically and geometrically.

The coach of a cricket team buys 3 bats and 6 balls for Rs. 3900. Later, she buyes another bat and 4 more balls of the same kine for Rs. 1300. Represent this situation algebraically and geometrically.

4 chairs and 3 tables cost Rs. 2100 and 5 chairs and 2 tables cost Rs. 1750. Find the cost of one chair and one table separately.

The cost of 4kg onion, 3 kg wheat and 2kg rise in Rs. 60. The cost of 2kg onion, 4 kg wheat and 6 kg rice in Rs.90. The cost of 6kg onion, 2kg wheat and 3 kg rice is Rs.70. Find cost of each item per kg by matrix method.

Two bodies of masses 1 kg and 2 kg have equal momentum. Then, the ratio of their kinetic energies is

The velocity of a 2 kg body is changed from (4hati +3hatj) ms^(-1) to 6hat ms^(-1) . The work done on the body is

Reshma wishes to mix two types of food P and Q in such a way that the vitamin contents of the mixture contain atleast 8 units of vitamin A and 11 units of vitamin B . Food P costs Rs 60 per kg and food Q costs Rs 80 per kg . Food P contains 3 units per kg of vitamin A and 5 units per kg of vitamin B while food Q contains 4 units per kg of vitamin A and 2 units per kg of vitamin B . determine the minimum cost of the misture .