Bissoy.com
Doctors Medicines MCQs Q&A

In a process, 5 Kgs of water is added to a container and after some interval 3 Kgs of water is taken out. If finally there is 7 Kgs of water then how much water was there in the very beginning?

In a process, 5 Kgs of water is added to a container and after some interval 3 Kgs of water is taken out. If finally there is 7 Kgs of water then how much water was there in the very beginning? Correct Answer 5 Kg

Final condition = Initial condition + sum of inputs – sum of outputs.

Related Questions

In the following question, 3 statements are given. You have to find which is/are necessary and sufficient to answer the following question. Two containers each contain some balls of Red and Blue color. Now all the balls of these two containers are mixed into a single third container which also contained some Red and Blue color balls initially as well. If 5 balls are taken out, then find the probability that all the balls taken out are Red in color. Statement 1∶ Total number of balls finally in 3rd container is 135. Statement 2∶ Ratio of balls in 1st container and 2nd container is 2 ∶ 7 Statement 3∶ Ratio of Red and Blue balls in 3rd container before mixing is 2 ∶ 3
There are two containers, the first one contains 1 litre pure water and the second one contains 1 litre pure milk.Now 5 cups of water from the first container is taken out is mixed well in the second container. Then, 5 cups of this mixture is taken out and is mixed in the first container. Let A denote the proportion of milk in the first container and B denote the proportion of water in the second container then:
There are five containers in a truck hold. The weight of the first container is 100 kg and the weight of the second container is 20% higher than the weight of the third container, whose weight is 25% higher than the first container’s weight. The fourth container at 175 kg is 30% lighter than the fifth container. What is the difference in the average weight of the heaviest three and the lightest three?
A person has 3 containers (cylindrical, spherical, and hemispherical) full of water. The radius of each container is equal and the height of the cylindrical container is 14 m. If the volume of the cylindrical container is 396 m3 and water from all three containers is put in the big cuboidal container whose length and breadth is 20 m and 12 m. How much water rises in a cuboidal container?
It takes 5 hours to fill a container using machine A. The same container can be filled using machine B in 10 hours. When the container is full, Machine C can fully empty the container in 20 hours. If all three machines start working on the same empty container how long will it take for the container to be completely filled,
The average weight of a class of 12 students is 57 kgs. Two students of weights 48 kgs and 68 kgs are replaced by 2 new students having weights 52 kgs and 55 kgs. What is the new average weight of the class?
A container contains 165 liters of milk. Some quantity of milk is taken out and half of that quantity of milk as water is added in the container. Now ratio of milk to water in the container becomes 5 : 3. What is the quantity of water added in it?
Given below are two quantities named A and B. Based on the given information, you have to determine the relation between the two quantities. You should use the given data and knowledge of Mathematics to choose between the possible answers. A and B started a business in a partnership firm in the year 2017 and decided to share profits in capital ratio. In the year 2017, they share profits equally. Quantity A∶ Number of months after which A made his 3rd investment if A invests Rs. 1000 at the beginning, Rs. 1500 after 3 months and after some time, he invests Rs. 2000, after 8 months, he invests Rs. 2500 Quantity B∶ Number of months after which B made his 3rd investment if B invests Rs. 1500 at beginning of every quarter and finally he invests Rs. 500 after 11 months
From container A containing 54 liter of mixture of milk and water in ratio of 8 : 1 , 18 liter of the mixture is taken out and poured into container B in which ratio of milk to water is 3 : 1. If difference between total milk and total water in container B is 30 liter then find the quantity of initial mixture in container B.
A container contains 40 litres of milk. From this container, 4 litres of milk was taken out and replaced by water. This process was repeated further three times. Then, to make the mixture 50 litres, milk vendor added 10 litres of milk and water in 3 ∶ 2. What percent of milk is in excess in the container over the ratio of milk to water 3 ∶ 2?