Question
Sunil invested Rs. ‘4x’ in scheme ‘A’ offering
simple interest of 20% p.a. and reinvested the interest earned from scheme ‘A’ at the end of 4 years in scheme ‘B’ offering compound interest of 20% p.a. compounded annually. If total amount received from scheme ‘B’ after 2 years is Rs. 1440, then find the value of ‘16x’.Solution
According to question; 1.44 × {0.20 × 4 × 4x} = 1440 Or, {0.25 × 4 × 5x} = 1000 Or, x = 312.5 So, 16x = 16 × 312.5 = 5000
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?
