Question
In 30 litres mixture of milk and water, the ratio of
milk and water is 7:3. What would be the quantity of water to be added in the mixture in order to make this ratio 3:7?Solution
The correct answer is A
A boat's speed in still water is 12 km/hr, and the current’s speed is 4 km/hr. If the boat takes a total of 18 hours to travel ‘x’ km each in both...
A boat can cover 195 km in downstream in 10 hours and 140 km in upstream in 14 hours. Find the distance travelled by the boat in still water in 4 hours.
Ratio of speed of boat in downstream and speed of stream is 5:2, if speed of current is 4 km/hr, then find distance travelled (in km) upstream in 6 hours.
A boat takes 7 hours to cover 266 km upstream and 9 hours to cover 468 km downstream. Find the time taken by the boat to cover 528 km upstream and 540 k...
A boat is navigating a river with a current speed of 2 km/h. It takes the boat 75 minutes longer to cover a distance of 56 km upstream than it does to c...
The cost price of an item is 60% less than its marked price, which is 50% more than its selling price. What is the profit percent...
The ratio between the time taken by a boat to cover a certain distance in upstream and the same distance in downstream is 5:1 respectively. The same boa...
- In still water, boat ‘X’ is three times as fast as boat ‘Y’. Boats ‘X’ and ‘Y’ are 240 km apart in a stream and are moving towards each oth...
The downstream speed of a boat is 22 km/hr, and its upstream speed is 14 km/hr. Determine the time required for the boat to trave...
A man can row 16 km/hr in still water. If the speed of the current is 4 km/hr, it takes 5 hours more in upstream than in the downstream for the same dis...
