How many liters of oil at Rs. 40 per liter should be mixed with 240 liters of the second variety of oil at Rs.60 per liter so as to get a maximum whose cost is Rs.52 per liter? 170 liters 150 liters 160 liters 140 liters TRUE ANSWER : ? YOUR ANSWER : ?
From a tank of petrol, which contains 200 litres of petrol, the seller replaces each time with kerosene when he sells 40 litres of petrol(or its mixture). Everytime he sells out only 40 litres of petrol(pure or impure). After replacing the petrol with kerosen 4th time, the total amount of kerosene in the mixture is None of these 96L 81.92L 118.08L TRUE ANSWER : ? YOUR ANSWER : ?
A grocer buys two kind of rice at Rs. 1·80 and Rs. 1·20 per kg respectively. In what proportion should these be mixed, so that by selling the mixture at Rs. 1·75 per kg, 25 % may be gained? 2 : 1 1 : 2 3 : 2 3 : 4 TRUE ANSWER : ? YOUR ANSWER : ?
In a mixture of milk and water, there is only 26% water. After replacing the mixture with 7 liters of pure milk , the percentage of milk in the mixture become 76%. The quantity of mixture is: None of these 65 liters 38 liters 91 liters TRUE ANSWER : ? YOUR ANSWER : ?
Two vessels A and B contains milk and water mixed in the ratio 5 : 3 and 2 : 3. When these mixtures are mixed to form a new mixture containing half milk and half water, they must be taken in the ratio ? 3 : 5 2 : 5 7 : 3 4 : 5 TRUE ANSWER : ? YOUR ANSWER : ?
Three boxes of capacity 24 kg, 36 kg and 84 kg are completely filled with three varieties of wheat A, B and C respectively. All the three boxes were emptied and the three types of wheat were thoroughly mixed and the mixture was put back in the three boxes. How many kg of type A wheat would be there in the third box (in kg)? 16 14 12 10 TRUE ANSWER : ? YOUR ANSWER : ?
Currants at Rs. 50 per kg are mixed with currants at Rs. 90 per kg to make a mixture of 17 kg worth Rs. 70 per kg. How many kilograms of each are taken? 8 1 kg of each 2 8 kg, 9 kg None of these 7 kg, 10 kg TRUE ANSWER : ? YOUR ANSWER : ?
A mixture contains spirit and water in the ratio of 3 : 2. If it contains 3 litres more spirit than water, the quantity of spirit in the mixture is 10 litres 12 litres 9 litres 8 litres TRUE ANSWER : ? YOUR ANSWER : ?
If 4 kg of an alloy made of 1/4th iron and rest is mixed with 6 kg of another alloy made of 2/3rd iron and rest tin, find the ratio of iron to tin in the resultant mixture. 1 : 1 3 : 2 2 : 1 1 : 2 TRUE ANSWER : ? YOUR ANSWER : ?
A mixture is composed of 11 parts of pure milk and 2 parts of water. If 35 litres of water were added to the mixture then the new mixture will contain twice as much pure milk as water, then how many litres of pure milk does the original mixture contain? 110 220 55 70 TRUE ANSWER : ? YOUR ANSWER : ?