Let the weight of 'B' be '42x' kg Therefore, weight of 'A' = (42x/1.4) = '30x' kg Weight of 'C' = (42x/1.2) = '35x' kg Now, required percentage = {(35x – 30x)/35x} X 100 = 14.28%
Outer diameter of 20 cm long pipe is 25 cm. If the thickness of the metal in the pipe is 1 cm. Find the total surface area of the pipe?
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 ...
Area of a rectangle is equal to the total surface area of a hemisphere having volume 1458 cm³ . Find the perimeter of the rectangle if its length is 12...
Radius of a cylinder is increased by 20% and height reduces by 40% so what effect on the volume of cylinder?
The volume of a cylinder is given as 6160 cubic centimeters. The height of this cylinder is proportionally 5/7 of its radius. Could you determine the co...
Suresh started his journey form P to Q by his bike at the speed of 40 km/h and then, the same distance he travelled on his foot at the speed of 10 km/h ...
The angle of depression of the foot of a building from the top of a tower 54√3 m away is 30°. How high is the tower?
The difference between each Internal angle and each external angle of a polygon is 60°. Find the number of Sides.
The surface area of the two spheres are in the ratio9:16. Their volumes will be in the ratio
Find the length of the diagonal of a cube with volume 81√3 cm³?
