Tea worth Rs. 126 per kg and Rs. 135 per kg are mixed with a third variety in the ratio 1 : 1 : 2. If the mixture is worth Rs. 153 per kg, the price of the third variety per kg will be:*Rs. 169.50Rs. 170Rs. 175.50Rs. 180

A shopkeeper blends two varieties of tea costing Rs. 12 and Rs. 9 per kg in the ratio 7:5. He sells the blended variety at the rate of Rs. 15.5 per kg. His percentage gain in the transaction is: (approximate)

In what ratio must a grocer mix two varieties of tea worth Rs 60 a kg and Rs 65 a kg so that by selling the mixture at Rs 68.20 a kg, he may gain 10%.

There are three varieties of tea – I, II, III – available in the market. Mani bought a certain quantity of each variety. The average cost per kg of varieties I and II for the quantities he bought worked out to be ₹50. The same for varieties II and III is ₹60 and that for varieties I and III is ₹68. Which of the following cannot be the average cost per kg of all the three varieties of tea that he bought?

P, Q, R are three cups having capacities of 120, 180 and 200 cc respectively which are completely filled with tea of three different varieties. They are all mixed in a separate vessel of capacity more than that of P, Q, R taken together, and then the mixture is poured successively into P, Q, R Then how much (in cc) of Pand Q’s tea will be there in R?

The price of Darjeeling tea (in rs./kg) is 100 + 0.10 n, on the nth day of 2007 (n = 1, 2, ..., 100), and then remains constant. On the other hand, the price of Ooty tea (in rs./kg) is 89 + 0.15n, on the nth day of 2007 (n = 1, 2, ..., 365). On which date in 2007 will the prices of these two varieties of tea be equal?