In what ratio should two varieties of sugar at Rs.18 per kg and Rs.24 Kg be mixed together to get a mixture whose cost is Rs.20 per kg? 3:1 1:2 1:3 2:1 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? 12800 1600 9800 6400 TRUE ANSWER : ? 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? None of these 4 5 8 TRUE ANSWER : ? YOUR ANSWER : ?
A milkman buys milk at Rs 25 per litre and adds 1/4 of water to it and sells the mixture at Rs 26 per litre. His gain (in %) is? 15 20 30 25 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 1 kg 8 42 3 kg 8 42 7 kg 8 48 7 kg 8 TRUE ANSWER : ? YOUR ANSWER : ?
A solution of sugar syrup has 15 % sugar. Another solution has 5 % sugar. How many liter of the second solution must be added to 20 liters of the first solution to make a solution of 10 % sugar? 5 20 15 10 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? None of these 13 and 27 17 and 27 14 and 16 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: 38 liters 91 liters None of these 65 liters 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 36 34 16 TRUE ANSWER : ? YOUR ANSWER : ?
If a man buys 1 lt of milk for Rs.12 and mixes it with 20% water and sells it for Rs.15, then what is the percentage of gain? 25% 17% 19% 30% TRUE ANSWER : ? YOUR ANSWER : ?