Question
Which key is used to establish a relationship between
two database tables?Solution
A foreign key in a database links two tables by referencing the primary key of another table, ensuring relational integrity.
Quantity of water in a 280 litres mixture (alcohol + water) is 40 litres less than the quantity of alcohol in it. Find the quantity of water to be mixed...
A container contains Alcohol and water in ratio of 3:7 and Capacity of Container is 60 lit. If half of the Container is replaced with 10 lit of water th...
A 280 ml mixture is composed of milk and water in the ratio 11:9. If an equal amount 'x' ml of both milk and water is added, the new ratio of milk to wa...
In a mixture of liquids P, Q, and R, the ratio of the quantity of liquid P to liquid Q is 3:2 respectively. If the amount of liquid R is 21 ml and it co...
The ratio of juice to soda in an 84-liter mixture (juice + soda) is 9:5. A certain quantity of this mixture is taken out and replaced with the same quan...
A jar contains a mixture of mango juice and water in the ratio of 5:2. 84 litres of the mixture was taken out and 34 litres of water was added to it. If...
A mixture of milk and water weighs 96 liters, where the quantity of milk is 33β % of the quantity of water. How much milk needs to be added so that the...
Liquid 'X' is made up of milk and water in the ratio 3:2, and liquid 'Y' has milk and water in the ratio 5:4. If 50 ml of 'X' is combined with 36 ml of ...
A container βXβ holds 400 litres of a solution which is 5/8th milk and the rest is water. 30% of this solution is poured into container βYβ, whi...
A vessel contains 200 litres of milk and water in the ratio of 5:3. If 10 litres of milk is added to the mixture, then find the ratio of milk to water i...