Bissoy.com
Doctors Medicines MCQs Q&A

In a swimming pool, water and chlorine is mixed in which chlorine is 15% and water is 170 litres, what quantity of chlorine should be added in the swimming pool to make it 32% of the total weight of the swimming pool?

In a swimming pool, water and chlorine is mixed in which chlorine is 15% and water is 170 litres, what quantity of chlorine should be added in the swimming pool to make it 32% of the total weight of the swimming pool? Correct Answer 50 litres

Let the total weight of swimming pool be x litres

Quantity of chlorine in the swimming pool = (15/100) × x

Quantity of water in the swimming pool = 100% – 15% = (85/100) × x

According to question,

(85/100) × x = 170

⇒ x = 200

∴ Quantity of chlorine in the swimming pool = (15/100) × 200 = 30 litres

Now, quantity of chlorine to be added to make it 32% of the total weight

Let the chlorine added be x

∴ 30 + x = (32/100) × (200 + x)

⇒ 30 + x = 64 + 8x/25

⇒ x = 50 

∴ 50 litres of chlorine should be added

Related Questions

A milk seller bought certain quantity of pure milk. He first sold 20 litres of pure milk. He added 20 litres of water to the remaining quantity of milk. He then sold 20 litres of the milk water mixture and added 20 litres of water to the mixture. He again sold 20 litres of this milk water mixture and added 20 litres of water to the mixture. Now, the ratio of milk to water is 8 : 19. How much quantity of pure milk in litres did he buy in the first place?
Given below are quantities named A,B and C. Based on the given information, you have to determine the relation between the quantities. You should use the given data and your knowledge of mathematics to choose among the possible answer. A milkman has 132 litres mixture of milk and water in a container which contains milk and water in the ratio 7 : 5. The milk man sold 48 litres of the mixture and added 6 litres of pure milk and 20 litres of water to the remaining mixture. The milkman again sold 42 litres of the mixture. Quantity A: Find the quantity of milk left in the container. Quantity B: Find the quantity of water left in the container. Quantity C: 35 litres.
When 12 litres of water were added with some quantity of pure watermelon juice then the ratio of juice to water become 5 : 4 Quantity I: In the mixture, when 2 litres of pure watermelon juice are added then what will be the concentration of juice in the new mixture?  Quantity II: Instead of 12 litres of water, if 5 litres of water were added and the quantity of pure watermelon juice remained the same then what would be the concentration of pure watermelon juice  in the mixture?
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. There are two jars which contain different liquids in different quantities Quantity I∶ Quantity of water in Jar 1, if Jar 1 contains mixture of 230 litres which contain juice, water, coke and pepsi. Ratio of quantity of water to juice is 2 : 1 and juice to coke is also 2 ∶ 1 while the ratio of quantity of coke to pepsi is 3 ∶ 2 Quantity II∶ Quantity of water in Jar 2, if Jar 2 contains 10 litres of mixture more than jar 1 and contains juice, coke and water. Water, juice and coke is poured into the jar 8 times in the ratio 3 ∶ 2 ∶ 1. Every time the quantity of a liquid is same.
Given below are two quantities named I and II. Based on the given information, you have to determine the relation between the two quantities. You should use the given data and your knowledge of Mathematics to choose among the possible answers. Quantity I: A vessel contains 50 litres of milk but the milkman is planning to replace 5 litres of milk with water and he will repeat this process total 3 times. Find the quantity of milk left in the container. Quantity II: There is a mixture of 33 litres of honey and water in the ratio of 5 : 6. Find the amount which should be added to both honey and water to make the ratio of water to honey 53 : 50.
What is the condition for a tree to be weight balanced. where a is factor and n is a node? >= a*weight and weight >= a*weight. b) weight >= a*weight and weight >= a*weight. c) weight >= a*weight and weight >= a*weight. d) weight is a non zero
The concentration of alcohol in same quantity of mixtures P and Q is 60% and 70% respectively and rest is water. When 10 litres of water added to each mixture then quantity of water in mixture P is 34 litres. When original quantity of mixtures P and Q are mixed, then find the difference between quantity of alcohol and quantity of water in their resultant mixture.
In a mixture of ghee and dalda, the ratio of ghee to dalda is 5 : a. When 5 litres of ghee were added in the mixture then, the concentration of dalda becomes 50% but when 2 litres of dalda were added in the mixture then the concentration of ghee becomes 40%.  Quantity I : ghee will be what part of the mixture when, 10 litres of ghee were added in the original mixture? Quantity II : Dalda will be what part of the mixture when 3 litres of dalda were added in the original mixture?
30 litres of spirit was mixed with 150 litres of whisky, 30 litres of this mixture was sold and some more quantity of whisky and spirit was added in the respective ratio of 5 : 6. If the final quantity of whisky was 500% of the initial quantity of spirit, what was the quantity of spirit that was added?
In a mixture, there is 63 litres of water and 77 litres of milk. Some quantity of mixture is taken out. After that 16 litres of water and 4 litres of milk are added in to the mixture, so that quantity of water and milk are same in the mixture. Find the total quantity of mixture when some amount of mixture taken out.