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 18.50 19.50 19 TRUE ANSWER : ? YOUR ANSWER : ?
The ratio of milk and water in 66 kg of adulterated milk is 5 : 1. Water is added to it to make the ratio 5 : 3. The quantity of water added is ? 20 kg 16·500 kg 22 kg 24·750 kg TRUE ANSWER : ? YOUR ANSWER : ?
The milk and water in two vessels A and B are in the ratio 4:3 and 2:3 respectively. In what ratio the liquids in both the vessels be mixed to obtain a new mixture in vessel c consisting half milk and half water? 11:7 7:5 6:7 8:3 TRUE ANSWER : ? YOUR ANSWER : ?
A man pays Rs. 6.40 per litre of milk. He adds water and sells the mixture at Rs. 8 per litre, thereby making 37.5% profit. The proportion of water to milk received by the customers is 11 : 9 1 : 10 9 : 11 10 : 1 TRUE ANSWER : ? YOUR ANSWER : ?
From a vessel filled with alcohol 1/5 of its contents is removed and the vessel is then filled up with water. If this be done 5 times in succession, what proportion of the alcohol originally contained in the vessel will have been removed from it? 1024 3125 1024 2101 2101 3125 None of these TRUE ANSWER : ? YOUR ANSWER : ?
A vessel is filled with liquid, 3 parts of which are water and 5 parts syrup. How much of the mixture must be drawn off and replaced with water so that the mixture may be half water and half syrup? 1 5 1 3 1 4 1 7 TRUE ANSWER : ? YOUR ANSWER : ?
The ratio of expenditure and savings is 3 : 2 . If the income increases by 15% and the savings increases by 6% , then by how much percent should his expenditure increases? 24 12 21 25 TRUE ANSWER : ? YOUR ANSWER : ?
From a container of wine, a thief has stolen 15 litres of wine and replaced it with same quantity of water. He again repeated the same process. Thus, in three attempts the ratio of wine and water became 343 : 169. The initial amount of wine in the container was: 100 litres 75 litres 150 litres 120 litres TRUE ANSWER : ? YOUR ANSWER : ?
Three boxes of capacity 24 kg, 36 kg and 84 kg are completely filled with three varieties of wheat A, B and C respectively. All the three boxes were emptied and the three types of wheat were thoroughly mixed and the mixture was put back in the three boxes. How many kg of type A wheat would be there in the third box (in kg)? 10 14 16 12 TRUE ANSWER : ? YOUR ANSWER : ?
A can contains a mixture of two liquids A and B in the ratio 7 : 5. When 9 litres of mixture are drawn off and the can is filled with B, the ratio of A and B becomes 7 : 9. How many litres of liquid A was contained by the can initially? 10 21 20 25 TRUE ANSWER : ? YOUR ANSWER : ?