The number of days left in the month of September are double the number of days already passed. How many days have already passed in the month of September?
In a community, two neighbours have rectangular backyards having the same area of 1350 sq. meter. If the width of first backyard is 9 meter and the width of second backyard is 45 meters, find which backyard will require more fencing and by how much?
The weight of cylinder filled with gas is 35kg35kg35kg. If the weight of the empty cylinder is 13kg100g13kg100g13kg100g, find the weight of the gas contained in it.