In a rectangular park, there is an elliptical flower bed in the middle and the border. The side lengths of the park are 30 m and 20 m . Major axis and minor axis are of length 14 m and 10 m respectively. Around the flower bed in the middle there is a walking path 1.4 m wide and in the middle of each side there is entrance of 2 m width to the park up to the walking path. At the border the width of flower bed is 1 m . Rest of the park is grass area. In the entire walking path is covered by bricks of dimension 10*20 cm ^ 2. Can you find the approximate number of bricks required ?
A hall of length 24 m and breadth 20 m is to be paved with equal square tiles. What will be the size of the largest tile so that the tiles exactly fit and also find the number of tiles required?
Find the number of tiles, 20 cm x 14 cm x 6 cm, required to construct a wall 20 m long, 10 m high and 70 cm thick. If 10% of the wall is filled with mortar.
Spherical bullets can be made out of a solid lead cube whose edge measures 33 cm. Each bullet has a radius of 1.5 cm and is required to be covered by another material of thickness 2 mm. Find the volume of required material ?
Jagjit, Vinay and Soham can do a work separately in 12, 24, 24 days. When they work together, What is the total number of days required to complete the work?
