Question
If the ratio of the sum invested and simple interest
received after 1 year is 25:11 respectively, then find the rate of interest.Solution
Let the sum invested and simple interest received be Rs.25x and Rs.11x respectively. Let the rate of investment be r% p.a. Therefore, {(25x x 1 x r)/100} = 11x => r = 44%
Which of the following is used to eliminate redundancy and anomalies in a database?
Which command is used to remove all records from a table without deleting the table structure?
The result of a Cartesian product of two relations R and S will have:
Which OOP principle allows a single interface to represent different underlying forms or data types?
Which of the following is true about a view in SQL?
A primary key in a table:
Which SQL keyword is used to sort the result set?
The concept of "data hiding" is primarily achieved through which OOP principle?
Which of the following is a valid constraint in SQL?
Which of the following statements about abstract classes is true?
