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Plant Pathology deals with scientific study of diseases, identification of their causal agent and then their management.
The measure of the two times of supplement of an angle is 40° less than 7 times the measure of the complement of the same angle. Find the measures of t...
If the area of square is 225 cmsup2; and the breadth of rectangle is 20% more and the length is 30% more than the side of the square, then find the the ...
A rectangular plot has an area of 490 m². If the length of the rectangular plot is 24.5 m. Find the perimeter of the rectangular plot.
If the radius of a sphere is decreased by 55%, then by what percent does its surface area decrease?
In a rectangular floor of length and breadth of 20 metres and 10 metres, respectively, square tiles each of 2 metre edge length are to be laid. If the c...
The external dimensions of a cuboidal container, with a thickness of 2 cm, are 24 cm in length, 20 cm in breadth, and 18 cm in height. If each cubic cen...
In a two cylinders the ratio of the radius of the two cylinders is 2:3 and their heights are in the ratio 5:3, then what will be the ratio of their volu...
A room 20 m long, 16 m broad and 8m high has 2 windows of 1 m and `1(1)/(2)` m and a door of 2m`xx` `1(1)/(2)` m. Find the cost of paper...
The ratio of length to breadth of a rectangle is 10:13. If the sum of the length and breadth of the rectangle is 92 cm, then find the area (cm2
Pankaj gives 15% of her salary to his wife, 5% of the remaining amount to his children and 20% of the remaining to his parents. If Pankaj is left with R...