Question
A and B started a business by investing sum in the ratio
4:5 respectively for 9 and 12 months respectively. If annual profit earned by B is Rs.1300, then find the total annual profit earned by A and B together.Solution
A : B 4 × 9 : 5 × 12 3 : 5 Now, according to question, => 5 ------ 1300 => 1 ------ 260 => 8 ------ 2080 Total annual profit earned by A and B together is Rs.2080.
Which SQL function returns the total number of rows in a table?
What is a data mart?
Which type of data warehouse is focused on specific business lines or departments?
Which OLAP operation rotates the data axes to provide an alternative presentation?
Which clause is used to sort the results in SQL?
Which of the following is a key process in ETL?
In a star schema, what is the primary characteristic of the fact table?
Which of the following is NOT a characteristic of OLAP systems?
Which operation in OLAP allows selecting a single dimension from a cube?
Which of the following best describes a fact constellation schema in a data warehouse?