Let speed of the boat in still water be ‘3x’ km/h. Speed of the boat in upstream = 3x ÷ 3 = ‘x’ km/h Speed of the stream = 3x – x = ‘2x’ km/h Speed of the boat in downstream = 3x + 2x = ‘5x’ km/h ATQ; (20/20) × 60 = 5x So, 5x = 60 Or, x = 12 So, speed of the boat in still water = 3 × 12 = 36 km/h
How is N related to the niece of M?
How is L related to J?
If “J#K^P%R#O”, then How O is related to J?
If brother of L is the husband of H’s son’s sister, then which of the following expression is true?
There is six members Y, P, H, W, R and G, in a family of three generation. No single person is a parent in the family. Y is husband of W. P is the only ...
How P is related to Q?
If Aman is the brother of Babita; Babita is the sister of Chetan and Chetan is the father of Deep, how Deep is related to Aman?
How is W related to S?
____ is father-in-law of ____.
How is D related to E?
