Water is flowing at the rate of 3km/hr through a circular pipe of 20 cm internal diameter into a circular cistern of diameter 10 m and depth 2m. In how much time will the cistern be filled.

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?