A jar full of whisky contains 40 % of alcohol. A part of this whisky is replaced by another containing 19 % alcohol and now the percentage of alcohol was found to be 26. The quantity of whisky replaced is ? 2 5 2 3 3 5 1 3 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 ? 7 : 3 2 : 5 4 : 5 3 : 5 TRUE ANSWER : ? YOUR ANSWER : ?
In what proportion must tea at Rs. 62 per kg be mixed with tea at Rs. 72 per kg in order to obtain the mixture worth Rs. 65 per kg? 4: 7 4: 6 7: 3 2: 3 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 3 : 4 3 : 2 1 : 2 TRUE ANSWER : ? YOUR ANSWER : ?
A jar was full with honey. A person used to draw out 20% of the honey from the jar and replaced it with sugar solution. He has repeated the same process 4 times and thus there was only 512 gm of honey left in the jar, the rest part of the jar was filled with the sugar solution. The initial amount of honey in the jar was: None of these 1.5 kg 1 kg 1.25 kg TRUE ANSWER : ? YOUR ANSWER : ?
The average weight of boys in a class is 30 kg and the average weight of girls in the same class is 20kg. If the average weight of the whole class is 23.25 kg, what could be the possible strength of boys and girls respectively in the same class? 13 and 27 None of these 17 and 27 14 and 16 TRUE ANSWER : ? YOUR ANSWER : ?
In a mixture of 45 liters, the ratio of milk and water is 4:1. How much water must be added to make the mixture ratio 3:2? 72 litres 15 litres 1.5 litres 24lLitres TRUE ANSWER : ? YOUR ANSWER : ?
In what ratio must water be mixed with milk to gain 16⅔% on selling the mixture at cost price? 2 : 3 1 : 6 6 : 1 4 : 3 TRUE ANSWER : ? YOUR ANSWER : ?
4 kg of a metal contains 1/5 copper and rest in Zinc. Another 5 kg of metal contains 1/6 copper and rest in Zinc.The ratio of Copper and Zinc into the mixture of these two metals: None of these 49 : 221 39:231 94:181 TRUE ANSWER : ? YOUR ANSWER : ?
6 liters of milk and water mixture has 75% milk in it. How much milk should be added to the mixture to make it 90% pure? 12 liters 10 liters 9 liters 8 liters TRUE ANSWER : ? YOUR ANSWER : ?