## The length of arc AB

If the radius of the circle with center O is 7 and the measure of angle AOB is 100, what is the best approximation to the length of arc AB?

## The length of the ladder

A ladder is placed in such a way that its foot is at a distance of 5m from a wall and its tip reaches a window 12m above the ground. Determine the length of the ladder.

## Simultaneous equations have infinitely many solution

Find the value of k for which the given simultaneous equations have infinitely many solution: kx+3y =8; 6x+9y=24.

## The target is not hit by him

A person is known to hit the target in 3 shots out of 4 shots. What are the chances that the target is not hit by him?

## What would be the temperature in degree Fahrenheit?

Linear and Non-linear Equations A thermometer shows temperature in degree Celsius as well as in degree Fahrenheit. The relation between both temperature is given by F = (9/5) C + 32. What would be the temperature in degree Fahrenheit for 30oC?

## How to find mean of numbers?

Mean number of people?   Mean  is a value obtained by dividing the sum of all the values of a variable by the number of values.

Statistics