TS ICET EXAM|SKILL LENS

  MIXTURE AND ALLIGATION 1. There is a mixture of alcohol and water 150 L the ratio of alcohol to water 9:6. If 40% of the mixture is taken out and same amount of water is added then find the new ratio of alcohol and water in the mixture   1) 7:12   2) 9:13 3) 16:9 4) 3:5 5) 9:16 2. In what ratio milk and water should be mixed so that after selling this mixture at its cost price there is a profit of 2 22 9 % 1) 8:7 2) 8:3 3) 8:1 4) 9:2 5) 9:1 3. In a pot, the ratio of milk and water 3:2. In another pot, the ratio of milk and water is 7:3. In what ratio mixture should be taken from both mixtures to make final mixture so that in final mixture the ratio of milk and water 19:11? 1) 3:2   2) 2:1 3) 5:2 4) 2:3 5) 4:1 4. 4 lit are drawn from a cask full of wine and is then filled with water. This operation is per formed two more times the ratio of quantity of wine now left in cask to that of the mixture is 8:125. How much wine did the c...

1. A box contains 6 white balls and 7 black balls. Two balls are drawn at random, what is the probability that both are of the same colour? 1) 6/13 2) 5/13 3) 7/5 4) 6/7 5) 7/13 2. A regular working day is 9 hrs and a regular week is 5 days. A man is paid Rs. 3 per regular working hour and Rs. 3.50 in per hour over time. If he earns Rs. 680 in 4 weeks, what is the number of hours he works? 1) 240 2) 180 3) 140 4) 220 5) 250 3. The sum of the circumferences of the front and rear wheels of a special vehicle is equal to 5m the front wheel makes 9 revolutions more over a distance of 60m than the rear wheel makes over a distance of 63m. What is the circumference of the front wheel? 1) 3.5m 2) 2.5m 3) 2 m 4) 3 m 5) 4 m 4. A shopkeeper purchased one table, one chair and one bed. The cost price of table was thrice that of chair and the cost price of bed was Rs. 9000 more than that of table. He sold the chair at 10% profit, the table at 20% profit and the selling price of the bed was Rs. 3600 m...