729 ml. of a mixture contains milk and water in the ratio 7 : 2. How much more water is to be added to get a new mixture containing milk and water in ratio 7 : 3? None of these 520 ml 710 ml 600 ml TRUE ANSWER : ? YOUR ANSWER : ?
An alloy is made by mixing metal A costing Rs 2000/kg and metal B costing Rs 400/kg in the ratio A:B = 3:1. What is the cost (in Rs) of 8 kilograms of this alloy? 9800 12800 6400 1600 TRUE ANSWER : ? YOUR ANSWER : ?
In what ratio must a merchant mix two varieties of oils worth Rs. 60/kg and Rs. 65/kg, so that by selling the mixture at Rs. 68.20/kg, he may gain 10%? 2:3 3:4 3:2 4:3 TRUE ANSWER : ? YOUR ANSWER : ?
In what ratio must a grocer mix two varieties of tea worth Rs. 60 a kg and Rs. 65 a kg so that by selling the mixture at Rs. 68.20 a kg he may gain 10%? 3 : 5 3 : 4 3 : 2 4 : 5 TRUE ANSWER : ? YOUR ANSWER : ?
Fresh fruit contains 72 % water and dry fruits contains 20 % water. How much dry fruit from 100 kg of fresh fruit can be obtained? 32 kg 35 kg 33 kg 30 kg TRUE ANSWER : ? YOUR ANSWER : ?
The ratio of milk to water is 5:4. If two litres of water is added, the ratio becomes 10:9, then find the new amount of water in the mixture. 14 litres 12 litres 18 litres 16 litres TRUE ANSWER : ? YOUR ANSWER : ?
Three bottles of equal capacity containing mixture of milk and water in ratio 2 : 5, 3 : 4 and 4 : 5 respectively. These three bottles are emptied into a large bottle. What will be the ratio of milk and water respectively in the large bottle? 73 : 106 73 : 116 73 : 113 73 : 189 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 9 litres 8 litres 12 litres 10 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. 2 : 1 3 : 2 1 : 1 1 : 2 TRUE ANSWER : ? YOUR ANSWER : ?
Two solution of 90% and 97% purity and mixed resulting in 21 liters of mixture of 94% purity. How much is the quantity of the first solution in the resulting mixture? 15 litres 6 litres 9 litres 12 litres TRUE ANSWER : ? YOUR ANSWER : ?