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Relative speed = 50 + 58 = 108 km/h = 108 × 5/18 = 30 m/s Let length of train A be ‘x’ meters So, 3x = 30 × 15 Or, 3x = 450 Or, x = 150 metres
If the volume of a cylinder is 144π and the ratio of radius to its height is 3:2 then find the curved surface area of cylinder?
Curved surface area of a cylinder is 440 cm². The base circumference is 44 cm. What is its volume?
A tank whose length, width and height are 22 metres, 20 metres and 12 metres respectively is completely filled with juice. If the juice costs Rs.5/m
Calculate the surface area of a sphere, given that its volume is (792/7) cm3.
If the income tax is increased by 14% then net income is reduce by 6%. Find the rate of income tax?
If the lateral surface area of a regular tetrahedron is 243√3 cm², find its volume.
If sin (A + B) = cos (A + B), what is the value of tan A?
The ratio of length to breadth of a rectangle is 3:5. If the sum of the length and breadth of the rectangle is 32 cm, then find the area (cm2...
A right circular cylinder having total surface area of 2710.4 cm2 is immersed in a vessel completely filled with water. If the height of the ...