Question
In a mixture of 45 litres, the ratio of wine to water is
2:3. If this ratio is to be 1:3 and the volume of the mixture are increased, then what is the quantity of water needed to be added?Solution
Quantity of wine in the mixture = 45 × 2/5 = 18 litres Quantity of water in the mixture = 45 × 3/5 = 27 litres Let x liters water be added to the mixture then, 18/(27+ x) = 1/3 54 = 27 + x x = 54 - 27 = 27 litres
Time complexity of heap sort is:
Which type of database key is a candidate key that has not been chosen as the primary key?
Which data structure uses LIFO (Last In, First Out) principle?
In a data warehousing environment, what is the primary purpose of an OLAP (Online Analytical Processing) cube?
- Which of the following is the primary characteristic of Infrastructure as a Service (IaaS) in cloud computing?
Which of the following accurately describes the role of a "foreign key" in a relational database system?
Deletion in Red-Black Trees maintains balance using:
Which SQL command is used to remove only specific rows from a table while preserving the structure and other rows?
In the dynamic programming approach for LCS, the base cases are crucial for correctly initializing the dp table.
Consider the following Python co...
RISC stands for: