Who … this song now? A.sings B.is singing C.had sang Answer and Feedback Answer:B do you want? view more test Xem thêm Share this post Some other questions you may be interested in. Spirit and water in two container X and Y are in the ratio 5 : 2 and 7 : 6 respectively. In what ratio these mixtures be mixed to get a new mixture in container Z having water and spirit in the proportion 5 : 8? 30 boys with an average weight of 60 kgs and 20 girls with an average weight of 40.Find the average weight of the whole class? Find the average weight of the whole class? Two solution of 90% and 97% purity and mixed resulting in 21 liters of mixture of 94% purity. How much is the quantity of the first solution in the resulting mixture? A zookeeper counted the heads of the animals in a zoo and found it to be 100. When he counted the legs of the animals he found it to be 340. If the zoo had either pigeons or elephants,how many pigeons were there in the zoo? Dhal worth Rs. 110 per kg and Rs. 95 per kg are mixed with a third variety in the ratio 1:1:2. If the mixture is worth Rs. 115 per kg,the price of the third variety per kg will be Milk contains 15% water. What quantity of pure milk should be added to 50 litres of milk to reduce the quantity of water to 12% ? A man travelled a distance of 40 km. in 5 hours partly on foot at the rate of 7 km per hour and partly on bicycle at 12 km. per hour. Find the distance travelled on foot ? The average weekly salary per head of the entire staff of a factory consisting ofsupervisors and the labourers is Rs. 55. The average salary per head of the supervisors is Rs. 300 and that of the labourers is Rs. 40. Given that the number of supervisors is 10, find the number of labourers in the factory. 90 litres of a mixture of milk and water contains 20% water. How much water should be added so that the mixture has 28% water ? Rani mixes 70kg of sugar worth Rs.28.50 per kg with 100kg of sugar worth Rs.30.50 per kg. At what rate shall he sell the mixture to gain 10% ?