EASY
CAT
IMPORTANT
Earn 100

There are two kinds of alloys of silver and copper.The first alloy contains silver and copper such that 93.33% of it is silver. In the second alloy there is 86.66% silver. What weight of the first alloy should be mixed with the some weight of the second alloy as to make a 100 kg mass containing 90% of silver?

50% studentsanswered this correctly

Important Questions on Alligations

EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 6 - Alligations>Level of Difficulty>Q 24
Two buckets of equal capacity are full of a mixture of milk and water. In the first, the ratio of milk to water is 1: 7 and in the second it is 3: 8. Now both the mixtures are mixed in a bigger container. What is the resulting ratio of milk to water?
HARD
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 6 - Alligations>Level of Difficulty>Q 25
A bag contains a total of 105 coins of ₹1, 50p and 25p denominations. Find the total no. of coins of Rs. 1 if there are a total of 50.5 rupees in the bag and it is also known that the number of 25 paise coins are 133.33% more than the no. of 1 rupee coins.
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 6 - Alligations>Level of Difficulty>Q 26
Two vessels contain spirit and water mixed respectively in the ratio of 1:4 and 4:1. Find the ratio in which these are to be mixed to get a new mixture in which the ratio of spirit to water is 1:3.
MEDIUM
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 6 - Alligations>Level of Difficulty>Q 27
The price of table chair is ₹3000. The table was sold at a 20% profit and the chair at a 10% loss. If in the transaction a man gains ₹300,how much is cost price in ₹ of the table ?
MEDIUM
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 6 - Alligations>Level of Difficulty>Q 28
A person purchased a pen and a pencil for ₹15. He sold the pen at a 20% profit and the pencil at a 30% profit. If his total profit was 24%, find the cost price of the pen ?
MEDIUM
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 6 - Alligations>Level of Difficulty>Q 29
A container is full of mixture of kerosene and petrol in which there is 18% kerosene. Eight litres are drawn off and then the vessels is filled with petrol. If the kerosene is now 15%. How much does the container hold?  
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 6 - Alligations>Level of Difficulty>Q 30
Two solutions of 80% and  87% purity are mixed resulting in 35 litres of mixture of 84% purity. How much is the quantity of the first solution in the resulting mixture?
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 6 - Alligations>Level of Difficulty>Q 31
In the Delhi zoo, there are lions and there are hens. If the heads are counted, there are 180, while the legs are 448 . What will be the number of lions in the zoo?