Question
A train has to cover a distance of 180 km in 20 hours.
If it covers half journey in 3/5th time, then the speed of covering the remaining distance in the time left has to be:Solution
Speed = Distance/time = 180/20 = 9 km/hr According to the question, New time = 3/5 x 20 = 12 hrs New distance = 1/2 x 180 = 90 km Required speed = Distance left/Time left = 90/8 = 11.25 km/hr
If A:B = 3:4 and B:C = 5:7, then find the value of A:B:C.
The ratio of milk to water in a mixture is 5:2. If 14 liters of water is added, the ratio becomes 5:4. Find the quantity of milk in the mixture.
In a jug, there is a mixture of apple and orange juice in the ratio of 1:3. When 10 liters of Apple juice are added, the ratio of apple to orange juice ...
Ratio between two numbers is 9:14 and their difference is 55. Find the sum of the given two numbers.
If A varies directly as B and inversely as C and A = 8, B = 2 and C = 5, what is the value of A when B = 6 and C = 5?
In 2020, the incomes of A and B were in the ratio 8:5, and their expenses were in the ratio 5:3. A’s savings in 2020 exceeded B’s savings by ₹5,00...
A bag contains Re 1 and 50 paise coins in the ratio 2 : 3. While the ratio of 50 paise and 25 paise is 4:5. If the total value of these coins is Rs 177....
The cost of diamond varies directly as the square of its weight. A diamond broke into four pieces with weights in the ratio 4 : 5 : 6 : 7. if the loss i...
A boy is supposed to distribute Rs.2400 among his three friends P, Q and R in the ratio of 4:3:5 respectively, but mistakenly he distributed in the rati...
6 years ago ratio of the ages of the two persons A and B was 5:3. 3 years hence the ratio of their ages will be 4:3. Find the present age of B.
Relevant for Exams:
