Combined speed of cars 'A' and 'B' = 56 + 34 = 90 km/h = 90 X (5/18) = 25 m/s So, required time = 450 ÷ 25 = 18 seconds Hence, option d.
The ratio of alcohol and water in a container is 3:7. If 4 litre of alcohol added in it, the ratio of alcohol to water becomes 5:7. Find the initial qu...
Two alloys are mixed in the ratio of 3:5. The first alloy contains 60% gold, while the second alloy contains 80% gold. Find the percentage of gold in th...
A vessel holds 150 liters of a milk and water mixture, where the quantity of milk is 33.33% less than the quantity of water. From this mixture, 30 liter...
150 liters of mixture 'P' (milk + water) contains milk and water in the ratio of 2:3, respectively. In mixture 'Q' of milk and water, the quantity of mi...
360 ml of mixture ‘A’ contains milk and water in the ratio 5:7 respectively. If the quantity of milk in mixture ‘B’ is 25.5% more than that in m...
Two bottles namely P and Q contained pure milk and pure water in the quantity of (a+135) litre and (a-10) litre respectively. If 40% and 36% from bottle...
A mixture (cola + water) contains cola and water in the ratio of 3:2. If 40 liters of the mixture is replaced with 10 liters of water, then the quantity...
A mixture contains milk and water in the ratio of 3:2 respectively. If 34 litres of milk and 34 litres of water are added to this mixture, then respecti...
99 ml of mixture ‘P’ contains milk and water in the ratio of 7:4, respectively is mixed with 30 ml of mixture ‘Q’ containing mil...
A 309 litre mixture consists of milk, water and honey. In the mixture, the quantity of milk is 30% more than that of honey and the quantity of water is ...