Question : In a mixture of three varieties of tea, the ratio of their weights is 4 : 5 : 8. If 5 kg tea of the first variety, 10 kg tea of the second variety and some quantity of tea of the third variety are added to the mixture, the ratio of the weights of three varieties of tea

Question : How many kilograms of rice costing Rs. 60 per kg must be mixed with 24 kg of rice costing Rs. 42 per kg so that there may be a gain of 12% by selling the mixture at Rs. 56 per kg?

Question : A shopkeeper bought 20 kg of rice at Rs. 55 per kg, 25 kg at Rs. 50 per kg and 35 kg of rice at Rs. 60 per kg. He spent a sum of Rs. 150 on transportation. He mixed all three types of rice and sold all the stock at Rs. 62.56 kg. His profit percent in the

Question : Two types of tea, costing Rs.180 per kg and Rs. 280 per kg, should be mixed in a ratio so that the mixture obtained, sold at Rs. 320 per kg to earn a profit of 20%, is:

Question : Directions: The weights of 4 boxes are 90, 30, 20, and 50 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes, and in combination a box can be used only once?