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According to the concept, The train had covered 725 + 235 = 960 m Speed of the train in m/sec = 960/48 ⇒ 20 m/sec Speed of the train in km/h = 20 × (18/5) ⇒ 72 km/h ∴ The speed of the train is 72 km/h.
The distance between the centers of two circles of radius 2 cm and 8cm is 10 cm. Find the length of the direct common tangent.
The area of a square is 225 cm². The breadth of a rectangle is 20% more, and the length is 50% more than the side of the square. Find the ratio of the ...
(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 cost of fencing a rectangular field at the rate of Rs. 5/metre is Rs. 330. If the length of the field is 11 metres more than its breadth, then find ...
What is the difference between (in m2) the area of a circular field of radius 35 metres and area of a rectangular piece of land having its di...
Two wires A and B are made of the same material and have the same length but different cross-sectional areas. If the resistance of wire A is 9 times the...
The area of the circumcircle of an equilateral triangle is 3π cm². The perimeter of the triangle is:
The length, breadth and height of a solid cuboidal box are in the ratio 7 : 5 : 3 and its total surface area is 11502cm2. Its breadth is:
The length of a plot is seven times its breadth. A playground measuring 224 square metres occupies half of the total area of the plot. What is the lengt...
