Q 1. Three numbers are in ratio 3:4:5. The sum of largest and smallest equals sum of middle and 76. Find the largest number?
Q 2. In a 60 litre of mixture, the quantity of milk and water is in ratio of 2:3. What quantity of water need to be added so that ratio becomes 1:2?
Q 3. Two equal glasses are respectively 1/3 and 1/4 full of milk. They are then filled with water and content are mixed in the tumbler. Ratio of milk and water in new mixture in tumbler is?
Q 4. A and B are two alloys of gold and Cu prepared by mixing metals in the proportion 7:2 and 7:11 respectively. If equal quantity of alloy are melted to form a third alloy C, then proportion of gold and Cu in C?
Q 5. After deducting 10% from a certain sum, and then deducting 20% from the remainder, there is Rs 7200 left. What was the original sum?
Q 6. A train travels from Amritsar to Delhi at rate of 30 km/hr and from Delhi to Amritsar at the rate of 20 km/hr. What is the average rate for the whole journey?
Q 7. The ratio of Mohit’s age to the age of his mother is 3:11. The difference of their ages is 32 years. What is the ratio of their ages after four years?
Q 8. 24 men can do a piece of work in 10 days. How many men are needed to complete the same work in 40 days?
Q 9. A sum of money at compound interest amounts to four times itself in four years. In how many years will it be 16 times itself?
Q 10. (17.28 / ?)/3.6 * 0.2 = 400. What will come in place of question mark?
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