Rice costing Rs 480 is needed for 8 members for 20 days. What is the cost of rice required for 12 members for 15 days?

If x + 1 men will do the work in x + 1 days, find the number of days that (x + 2) men can finish the same work.

Given a rectangle with a fixed perimeter of 24 meters if we increase the length by 1m the width and area will vary accordingly. Use the following table of values to look at how the width and area vary as the length varies.

What do you observe? Write your observations in your note books

10 men can lay a road 75 km. long in 5 days. In how many days can 15 men lay a road 45 km. long?

24 men working at 8 hours per day can do a piece of work in 15 days. In how many days can 20 men working at 9 hours per day do the same work?