When a Robin bird flies, it flaps wings 23 times in ten seconds. How many times will it flap its wings in two minutes?

When a Robin bird flies, it flope wings 23 times in 10 sec. How many times will it flap its wings in 2 minutes?

How many times do you breathe in a minute?

If each edge of a cube is doubled. How many times will its surface area increase?

The average human heart beats at 72 times per minute. How many times does it beat in 15 seconds? How many in an hour?

The average human heart beats at 72 times per minute. How many times does it beat in 15 seconds? How many in 1 hour? How many in a day?

How many times the circumference of a circle to its diameter?

Two balls of same density falls in a viscous medium. The radius of first ball being double the radius of second ball, then how many times is the terminal velocity of second ball to that of first ball