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The correct answer is D
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...
If an arc subtends an angle of 90o at the centre of the circle whose radius is 28 cm, then find the area of that sector. [Take π = 22/7]
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...
The lateral surface area of a cube is 400 cm2. The length of a cuboid is 50% more than the side of the cube. The breadth of the cuboid is 12 ...
The area of a square is 576 cm2 which is 172 cm2 less than that of a rectangle. Find the perimeter of the rectangle if the length ...
Angle bisectors of Q and R meet at point S, inside the triangle PQR. If angle QSR = 120˚ , then the measure of angle P is:
A giant circular wheel has a diameter of 14 metres. In how many revolutions will the wheel cover a total of 4.4 km?
If the lateral surface area of a regular tetrahedron is 108√3 cm², what is its volume?
A right triangle ABC with sides 9 cm ,12cm and 15cm is revolved about the side 12 cm. What is the volume of the solid so obtained? (in cm 3 )
The measure of an angle is one-third of its supplementary angle. Find its measure.
