Question
Who first saw and described a live cell under
microscope?Solution
Anton Von Leeuwenhoek(1674)first saw and described a live cell under microscope.
The length, breadth and height of a storeroom are 15m, 8m and 9m respectively. If each box occupies 40 m3 of space, then how many boxes can b...
The radius of the base of a cylindrical tank is 5 metres. If eight times the sum of the areas of its two circular faces is four t...
The volume of a conical water tank is 4928 m³ and the area of its base is 616 m². Find the length of the canvas required to build the tank if the widt...
The volume of a hemisphere is 2425 (1/ 2) cm3 . Find its radius (Take p = 22/7)
A paper is in the form of rectangular piece PQRS in which PQ = 40 cm and QR = 28 cm. A semi-circular portion with QR as diameter is cut off. Find the ar...
Two paths of width 6 metres are to be made in the centre of rectangular field such that they are perpendicular to each other. Find the area (in m2<...
One side of a parallelogram is 25 cm and its distance from the opposite side is 9 cm. The area of the parallelogram is:
The cost of painting the walls of a room 8 meter long and 10 meter wide at Rs 22.5 square per meter is 7290. What is the height of the room?
- The volumes of two hemispheres are in the ratio 1000:3375. Determine the ratio of their total surface areas. (Take π = 22/7)
If the sides of a triangle measure 21 cm, 35 cm and 28 cm, what is the measure of its in radius? (in cm)
