## 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?

## In the zoo consumption of food in six days.

A certain animal in the zoo has consumed 39 pounds of food in six days. If it continues to eat the same rate, in how many more days will its total consumption be 91 pounds?

## How much does she earn?

Sheila works 8 hours per day on Monday, Wednesday and Friday, and 6 hours per day on Tuesday and Thursday. She does not work on Saturday and Sunday. She earns \$324 per week. How much does she earn in dollars per hour?

## Number obtained by reversing the digits

The digits of a positive integer, are in A.P. and their sum is 15. The number obtained by reversing the digits is 594 less than the original number. Find the number.

## Select a two digit number

Monu and Sonu were playing number games. Monu asked Sonu to select a two digit number such that the sum of the digits is 11 and if the digits are interchanged then the new number must be 9 more than the original number. Which number can Sonu select?