A rectangular courtyard is 20 m 48 cm long and 9m 60cm broad. It is to be paved with square stones of same size. Find the least possible number of such stone.

A rectangular field is 20m long and 14m wide.There is a path of equal width all around it having an area of 111sq.m.Find the width of the path.

To raise the height of a rectangular low land 48 m long and 31.5 m broad to 6.5 dm, a ditch 27 m long and 18.2 m broad was dug in a side rectangular plot. What will be the depth of the ditch.

A bullet hits a Sand box with a velocity of 20 m/s and penetrates it up to a distance of 6 cm. Find the deceleration of the bullet in the sand box.

There is an agriculture field in the form of rectangle of length of 20 m and width 14 m. A 10 m deep well of diameter 7 cm is dug in a corner of the field and the earth taken out of the well is spread evenly over the remaining part of the field. Find the rise in its level.

A 5m 60 cm high vertical pole caste a shadow 3m 20 cm long. Find at the same time (i) the length of the shadow cast by another pole 10 m 50 cm high (ii) the height of apole which caste a shadow 5m long.

The length , breadth , and thickness of a sheet are respectively 4.234 m , 1.005 m, and 2.01 cm find the area and the volume of the sheet to correct number of significant figure

Four squares of side 8cm each were cut out from the four corners of a rectangular metal sheet of size 48cmxx36cm .Find the volume of the open cuboid formed with the remaining portion of the metal sheet.

A stone falls from the top of a building and travels 53.9 m in the last second before it reaches the ground. Find the height of the building.