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The Kanger Valley National Park is in Chhattisgarh . It is also home to a population of Chhattisgarh’s state bird, the hill myna. Bird watchers and forest department officials recently counted 200 types of birds in Chhattisgarh’s first-ever inter-state bird survey conducted in the Kanger Valley National Park.
A giant circular wheel has a diameter of 28 metres. In how many revolutions will the wheel cover a total of 26.4 km?
The circumference of a semi-circle is 108 cm. What is the area of the circle with the same radius as the semi-circle? (Take π = 22/7)
The area of a circle is 1.54 cm2. Find the perimeter of the minor sector that is subtended by an angle of 90o. (take π = 22/7)
The perimeter of a rectangular field is 480 meters and the ratio between the length and breadth is 5:3. The area of the field is: