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The correct answer is D
Find the number of common tangents, if r1 + r2 = C1C2 .(With usual notations, r1 & r2 and C1 & C2 are the radii and centres of the two circles.)
A village having a population of 8000 requires 200 litres of water per head per day. It has a tank measuring 40 m `xx` 30 m `xx` 12 m. The water of this...
The area of a rectangle is 5/7 that of a square. The length of the rectangle is 20 cm and the breadth of the rectangle is 3/2 times that of the side of ...
A giant circular wheel has a diameter of 28 metres. In how many revolutions will the wheel cover a total of 26.4 km?
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...
Find the area of a triangle whose base is 35 cm and altitude is 40 cms.
What is the difference between (in m2) the area of a circular field of radius 14 metres and area of a rectangular piece of land having its di...
Find the surface area of the smallest cube that can perfectly fit a sphere of volume 12348π cm3 inside it.
A race track is in the shape of a rectangle with length of 65 metres and area of 9750 m2. A car takes 10 seconds to make one lap around the p...
The radius of a sphere is 75% of the radius of a cylinder, while the height of the cylinder is 25% greater than its radius. Determine the ratio of the v...
