EXAMIANS
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?
YOUR ANSWER : ?
YOUR ANSWER : ?
A cask full of wine from which 8 litres are drawn and is then filled with water. This operation is performed three more times. The ratio of quantity of wine left in the cask to that of the water is 16: 81. How much wine did the cask hold originally?
YOUR ANSWER : ?
The average monthly salary of employees, consisting of officers and workers, of an organisation is Rs. 3000. The average salary of an officer is Rs. 10,000 while that of a worker is Rs. 2000 per month. If there are total 400 employees in the organisation, find the number of officers and workers separately.
YOUR ANSWER : ?
In what ratio must a grocer mix two varieties of pulses costing Rs. 15 and Rs. 20 per kg respectively so as to get a mixture worth Rs. 16.50 kg?
YOUR ANSWER : ?
In what proportion water must be added to spirit to gain 20% by selling it at the cost price?
YOUR ANSWER : ?
In what proportion should water and wine at Rs. 22·50 a liter be mixed to reduce the price to Rs. 18 a liter?
YOUR ANSWER : ?
A dishonest milkman professes to sell his milk at cost price but he mixes it with water and thereby gains 25%. The percentage of water in the mixture is:
YOUR ANSWER : ?
In what ratio must water be mixed with milk to gain 16⅔% on selling the mixture at cost price?
YOUR ANSWER : ?
The diluted wine contains only 8 liters of wine and the rest is water. A new mixture whose concentration is 30%, is to be formed by replacing wine. How many liters of mixture shall be replaced with pure wine if there was initially 32 liters of water in the mixture?
YOUR ANSWER : ?
The ratio of petrol and kerosene in the container is 3:2 when 10 liters of the mixture is taken out and is replaced by the kerosene, the ratio become 2:3. Then total quantity of the mixture in the container is:
YOUR ANSWER : ?