The average speed of a car is 20 km/hr more than the average speed of a bus. If the car takes 4 hours less than the bus to cover a distance of 300 km. Find the average speed of the car and the bus.

WHAT ARE THE FORMULAS FOR FINDING THE INITAL SPEED

What is the formula of \[{x^2} + {y^2} + {z^2}?\

What is a dodging number?

What is the value of $ 5 $ million dollars in Indian rupees given that one dollar is equal to $ 75 $ Indian rupees.

How many perfect cubes can you find from 1 to 100? How many from -100 to 100?