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"New Population Bomb" means Rapidly growing population of the cities in third world.
In a rectangle, the ratio of length and breadth is 3:2 and its perimeter is 240 cm, then what the area of the rectangle?
A solid cube with side 'a' is made of a material weighing 400 kg. Another cube is hollow, made of the same material, with an outer side length '3a' and ...
B invests 30% of his monthly salary on Travelling and 20% of remaining on Food. Again, he invested 25% of the remaining (after travelling and food expen...
A square is converted into a rectangle by increasing its length by 50 % and decreasing its width by 20%. Which of the following statements is true?
If the radius of a right circular cylinder open at both the ends, is decreased by 25% and the height of the cylinder is increased by 25%. Then the curve...
A tank whose length, width and height are 21 metres, 17 metres and 10 metres respectively is completely filled with juice. If the juice costs Rs.5/m
Find the area of the triangle ABC. Where AC=17cm, AB=15cm, BC=8cm
The length of a rectangle is the same as the side of a square. If the area of the square is 625 m² and that of the rectangle is 500 m², what is the perim...
The weight of a cubic metre metal is 1215 kg. It is melted and cast into a square rod of 9m length. A solid cube of maximum size is taken out from one e...
A wire is moulded into a circle of radius 21m. Then the wire is bent and shaped into a rectangle of length 36 m. Find the area of the rectangle thus for...