A hollow sphere in which a circus motorcyclist performs his stunts, has an inner radius of 7 m. Find the area available to the motorcyclist for riding. (Take Π= 22/7)
From a circular card sheet of radius 14 cm, two circles of radius 3.5 cm and a rectangle of length 3 cm and breadth 1 cm are removed. Two identical right triangles whose legs are of length 3 cm and 4 cm are joined. Then the area of the newly formed card is
The price of 2 sarees and 4 shirts is Rs. 1600 with the same money, one can buy 1 saree and 6 shirts. If one wants to buy 12 shirts, how much shall he have to pay
If a, b, c, l, m are in A.P. then the value of 2a-b-2c-l+2m is
If you write all the numbers from 1 to 100, then how many times do you write 3
A cylindrical shaped well of depth 30 m and diameter 28 m is dug. The dug out soil is evenly spread to form a Cuboid-platform with base dimension 30 m × 28 m. Find the height of the plat form