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The correct answer is C
The radii of two concentric circles are 20 cm and 25 cm. A straight line PQRS intersects the larger circle at the points P and S and intersects the smal...
Calculate the area of a circular field whose circumference is equal to the perimeter of a rectangular field with a length of 60 m and a breadth of 45 m....
A stone is thrown vertically with the velocity which would just carry it to height of 100 feet. Two seconds later another stone is projected vertically ...
If the income tax is increased by 14% then net income is reduce by 6%. Find the rate of income tax?
The area of a regular hexagon with side as 6 cm is
A cylindrical tank has a radius of 8 meters and a height of 12 meters. If the tank is filled with water, how much time will it take to fill the tank com...
The outer radius of a hollow metallic spherical ball is 15 cm while the thickness of the metal used to make it is 12 cm. Find volume of the metal used i...
1.5 cm of rain has fallen on a square km of length 80% of the water was stored in a tank of dimensions 160 m × 15m. Find the increase in the water leve...
