If a train A crosses a pole in 33 seconds, second train B crosses the pole in 55 seconds. The
length of train A is 3/4th of B, then ration of their speeds is
3:5
9:20
5:4
4:5
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The areas of a square and a rectangle are equal. The length of the rectangle is greater than thelength of any side of the square by 5 cm. and breadth is less by 3 cm. The perimeter of the rectangle
is