Train A. running at the speed of 80 km/hr crossed train B. running at the speed of 70 km/hr in the opposite direction. Both trains finish crossing each other in 30 seconds. If the length of train A is 300 m, then the length of train B is:
The correct answer is B
If the area of a circle is equal to the numerical value of its circumference, what is the radius of the circle?
Length of a rectangle is equal to the side of a square. If area of the square and rectangle is 529 m2 and 299 m2, respectively the...
Find the number of silver balls of diameter 2 cm each, that can be made from a sphere of diameter 32 cm?
The volume of a cube is 21952 cm 3 in which a maximum possible size of circle is drawn on each face. The circle drawn on each face of the cu...
The diameter and the slant height of a conical tent are 16 m and 5.6 m, respectively. What length of cloth having width 4m is needed to make the tent?
A right circular cylinder having total surface area of 2833.6 cm2 is immersed in a vessel completely filled with water. If the height of the ...
A covers a certain distance at a certain speed. If he covers one- third of the distance in three time then the ratio of this speed to the original speed...
Length of a rectangle is equal to the side of a square. If area of the square and rectangle is 729 m2 and 297 m2, respectively the...
The total surface area of a square-based right pyramid is 1536 m², of which 37.5% is the area of the base of the pyramid. What is the volume (in mᶟ) ...
Find the minimum length of a rubber band which can tie three circular pipe of radius 21 cm?
