In a 40 litre mixture of alcohol & water, the ratio of alcohol and water is 5 : 3. If 20% of this mixture is taken out and the same amount of water is added then what will be the ratio of alcohol and water in final mixture? 3:1 1:1 1:2 2:1 TRUE ANSWER : ? YOUR ANSWER : ?
Tea worth Rs. 126 per kg and Rs. 135 per kg are mixed with a third variety in the ratio 1 : 1 : 2. If mixture is worth Rs. 153 per kg, the price of the third variety per kg will be: 175.50 169.50 180 170 TRUE ANSWER : ? YOUR ANSWER : ?
From a cask of wine, containing 64 liters, 8 liters are drawn out and the cask is filled up with water. If the same process is repeated a second, then a third time, what will be the number of liters of wine left in the cask? 42 7 kg 8 48 7 kg 8 42 1 kg 8 42 3 kg 8 TRUE ANSWER : ? YOUR ANSWER : ?
A sum of Rs. 41 was divided among 50 boys and girls. Each boy gets 90 paise and a girl 65 paise. The number of boys is ? 14 16 36 34 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 : ?
Fresh fruit contains 72 % water and dry fruits contains 20 % water. How much dry fruit from 100 kg of fresh fruit can be obtained? 33 kg 30 kg 35 kg 32 kg TRUE ANSWER : ? YOUR ANSWER : ?
A jar contains a blend of a fruit juice and water in the ratio 5 : x. When 1 litre of water is added to 4 litres of the blend the ratio of fruit juice to water becomes 1 : 1. What is the value of x? 4 2 3 1 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 : ?
The cost of type - I rice is Rs. 15 per kg and type - II is Rs. 20 per kg. If both type - I and type - II are mixed in the ratio of 2 : 3, then find the price per kg of the mixed variety. 18 19.50 18.50 19 TRUE ANSWER : ? YOUR ANSWER : ?
From a cask of wine containing 25 litres, 5 litres are withdrawn and the cask is refilled with water. The process is repeated a second and then a third time. Find the quantity of wine left in the cask and also the ratio of wine to water in the resulting mixture. 16 : 46 61 : 64 64 : 61 46 : 16 TRUE ANSWER : ? YOUR ANSWER : ?