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As in ΔABC, PQ is parallel to BC then ΔAPQ is similiar to ΔABC, So by similarity, AP/AB = AQ/AC So 3/(3 + 7) = 3/AC or 3/10 = 3/AC or AC = 10 cm
A man can row 32 km upstream and 60 km downstream in 8 hours. He can also row 40 km upstream and 48 km downstream in 6 hours. Find the speed of the man ...
If the sum of upstream and downstream speed is 22 km/hr and the speed of the current is 4 km/hr. Then find time taken to cover 60 km in downward?
The speed of a boat downstream is 20% more than the speed of the boat in still water. If the boat can travel 1280 km upstream in 16 hours, then find the...
A man rows upstream 10 km and downstream 15 km taking 5 hours each. Find the speed of current.
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Speed of a boat in still water is 15 kmph and speed of stream is 12 kmph. A man rows to a place at a distance of 81 km and come back to starting point. ...
The speed of a boat in still water is 6 km/hr more than that of the current. The time taken by the boat to cover 625 km downstream is 12.5 hours. Find t...
The Speed of the ship in calm water is five times the speed of the stream. If the ship can travel 's + 30' km downstream or 's - 10' km upstream in 5 ho...
The time taken by the boat to cover (d+130) km distance in downstream is 1.9 hours less than the time taken by the same boat to cover (d-45) km distance...
Two boats A and B start towards each other from two places,108km apart. The speeds of boats A and B in still water are 12km/h and 15km/h respectively. i...
A man can row his boat with the stream at 14 km/h and against the stream in 8 km/hours. Find the rate of the stream.
