Speed of the boat in still water = 147/7 = 21 km/h Let the speed of the stream be ‘x’ years According to question: (21 – x)/(21 + x) = 3/4 84 – 4x = 63 + 3x 7x = 21 x = 3 So the speed of the stream = 3 km/h
Seven boxes F, G, H, I, J, K and L are placed in a straight line facing north. L is between F and J. K and F have one box between them. J and H have two...
How many persons are having costlier bike than R?
Warranty period difference between Samsung and Dell is 4 months less than the warranty period difference between __and ___?
In the meeting who is sitting immediately right to K?
Who among the following person gave the interview on 19th April?
Which of the following pair lives on perfect cube-numbered floors?
As many persons senior to Z is same as junior to _____.
Who among the following live on the floors between the floors on which Ji-hu and Min-ho live?
...E likes which of the following game?
Who attend the seminar in September?