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A giant circular wheel has a diameter of 28 metres. In how many revolutions will the wheel cover a total of 11 km?
Twenty five liters of 60% concentration of acid solution is added to 35 liters of 80% concentration of acid solution. What is the concentration of acid ...
The perimeter of a rectangle is 110% more than perimeter of a square of side 20 cm. If the length of rectangle is 240% more than side of square then fin...
If the area of a triangle is 1690 cm2 and base: corresponding altitude is 4:5, then the altitude of the triangle is:
A rectangular swimming pool is 40 meters long and 25 meters wide. If the pool is being filled at a rate of 10 cubic meters per minute, how long will it ...
Water flows into a tank which is 200m long and 120 m wide, through a pipe of cross- section 0.3 m × 0.2 m at 20 km/hr. then the time ( in hr) for ...
The length, breadth and height of a room are in the ratio 7:5:2. If the breadth and height are halved while the length is doubled, then the total area o...
Find the area of a rhombus (in cm2) whose side is 13 cm and the smaller diagonal is 11 cm?
The lateral surface area of a cube is 1024 cm2 . The length of a cuboid is 50% more than the side of the cube. The breadth of the cuboid is 1...
The sum of the monthly incomes of ‘A’, ‘B’ and ‘C’ is Rs. 50000 which is 4 times the monthly income of ‘C&rsqu...