Question
Train P is 180 m long and crosses a platform of 120 m in 15
seconds. The speed ratio of train P to train Q is 4:5. What is the length of train Q if it crosses a pole in 16 seconds?Solution
ATQ,
Train P speed = (180 + 120) / 15 = 20 m/sec
Speed of train Q = (20 × 5) / 4 = 25 m/sec
Length of train Q = 25 × 16 = 400 m
A mixture consists of honey and milk in a 1:4 ratio. The cost ratio of honey to the entire mixture is given as 15:7. What is the ratio of the cost of ho...
A mixture has milk and water in ratio 7:3. If 5 liters of water is added, ratio becomes 7:4. Find quantity of milk.
In a Glass there is 520 ml of a mixture composed of juice and water in a ratio of 17:9. If 'y' ml of juice and 'y + 60' ml of water are added to this mi...
Jar A contains ‘X’ ml mixture of milk and water in the ratio of 4 :3. Jar B contains ‘X’ ml mixture of milk and water in the rat...
A 400 ml mixture consists of 30% alcohol. Find how much alcohol must be added so that alcohol makes up 50% of the new mixture.
A mixture of 40 litres of milk and water contains 10% water. How much water should be added to it to increase the percentage of water to 25% ?
(X + 140) liters of mixture A contains milk and water only such that quantity of water in it is (X – 100) liters less than quantity of milk in it. 75%...
- 180 litres of a mixture is made up of juice and soda in the ratio of 4:5, respectively. If 36 litres of the mixture is withdrawn and replaced with the same...
In a Mixture , the ratio of Milk and Water is 5 : 3. If 20 litre mixture drawn off and replace by 8 litre water then the ratio of Milk and Water become ...
 A mixture has milk and water in ratio 5:2. How much water must be added to 21 L of this mixture to make the ratio 5:3?
Relevant for Exams:
