Question
A train 500 m long running at 108 km/hr takes 40 seconds
to cross a bridge. The length of the bridge isSolution
Speed of train = 108 km/hr = 108 × (5/18) = 30 m / sec If the length of bridge be x metre, then ⇒ 30 = (500 + x)/40 ⇒ 500 + x = 1200 ⇒ x = 1200 – 500 = 700 metre
If the cube with a 24√3 cm diagonal is melted then how tall is the height of the cuboid, if the length of the cuboid is equal to the arm of the cube, ...
The perimeter of a rectangular field is 22 metres and its area is 20 m^2 . What is the length of the diagonal of this field?
The volume of a solid cube is 729 m3. If whole cube is to be painted at a rate of Rs. 8 per m2, then what will be the cost of pain...
If the area of a square field is 576 m 2 , then find the diagonal of the square field.
<p><p>The length of sides of a square is twice the radius of a circle and perimeter of a rectangle is half the perimeter of the squa...
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Perimeter of a square is equal to the perimeter of a circle that is 792 cm. Find the ratio of the side of the square to the radius of the circle.
A rectangular park with length and breadth of 16m and 20m, is surrounded by a path of 6m wide. Find the area of the path.
If the ratio of areas of two circle is 9:25, then the ratio of their circumferences will be:
Cylinder radius = 7 cm, height = 12 cm. It is melted into cones of radius 3.5 cm, height 8 cm. Find number of cones.
