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The duration of rice-wheat-ragi-fallow is 2 year and farm is 1 ha. So, net cultivated area = Farm area * duration of rotation = 2 * 2 = 4 ha Area under rice = 2 ha Wheat = 2ha Ragi = 2 ha So total cropped area = 2+2+2 = 6 ha Cropping intensity = total cropped area/net cultivated area * 100 = 6/4 * 100 = 150%
The area of a square is 441 square centimeters whose side is half the radius of a circle The circumference of a circle is equal to the width of a rectan...
The volume of a hemisphere is 2425 (1/ 2) cm3 . Find its radius (Take p = 22/7)
If the length of the rectangular pipe is 2 times of its breadth and 5 times of its height. Find the total surface area if its volume is 600 cm³?
The radii of two right circular cylinders are in the ratio 3 : 2 and the ratio of their volumes is 27:16. What is the ratio of their heights?
In a zoo, 30% of the people are males. 50% of the remaining are females and the remaining 630 are children. Find the total number of people in a zoo.
What is the volume of a cylinder if the radius of the cylinder is 12cm, and the height is 15 cm? (Take π = 3.14)
Perimeter of a square is equal to the perimeter of a circle that is 792 cm. Find the ratio of the side of the square to the radius of the circle.
A hemisphere of radius 10 cm is melted and recast into the shape of a cone with a base diameter of 10 cm. Find the height of the cone.
If the edge of the cube is increased by 50%, then find the percentage increase in the volume of the cube.
PQRS is a cyclic trapezium where PQ is parallel to RS and PQ is the diameter. If ∠QPR = 40° then the ∠PSR is equal to:
