Water boils at 100°C (212°F) at sea level under normal atmospheric pressure.
Find the length of a wire radius 0.40 cm which can completely cover the surface of a cylinder whose height is 1.6m and base radius 21 cm?
The breadth ‘b’ of a room is twice its height and half of its length. Find the length of the longest diagonal of the room
In a rectangular floor of length and breadth of 21 metres and 6 metres, respectively, square tiles each of 2 metre edge length are to be laid. If the co...
A cuboidal box has dimensions of length = 18 cm, breadth = 15 cm, and height = 10 cm. If the breadth of the box is increased by 20% and its height is r...
The angle of elevation of the top of an unfinished tower at a point distant 78 m from its base is 30°. How much higher must the tower be raised (in ...
The length, breadth and height of a room are 8m, 10m and 12m respectively. Find the cost of white washing the room at the rate of Rs 15 per m²?
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.
(190/3)% of the raindrops could have been collected, when 2 cm of rain has fallen on a part of land of area 3 km2, in a tank having a 200 m &...
The sum of the length, width, and height of a cuboid is 30 cm. If the length of the diagonal of the cuboid is 25 cm, find the total surface area of the ...
The area of a square is 729 cm2 which is 48 cm2 less than that of a rectangle. Find the perimeter of the rectangle if the length o...
