A shop sells a book for 240 rupees after giving a 20 % discount on the marked price. What is the marked price of the book?
If x + 1/x = 5, what is the value of x² + 1/x²?
The number of factors of 1800 that are multiple of 6 is …………. .
The motion of an airplane is represented by the velocity-time graph as shown below. The distance covered by the airplane in the first 30.5 seconds is km.
The least acidic compound, among the following is
Choose the correct set of reagents for the following conversion: