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ATQ, Let the selling price of the article be Rs. ‘100x’ So, cost price of the article = 100x × 0.7 = Rs. ‘70x’ So marked price of the article = 70x × (26/15) = Rs. (364x/3) So, required percentage = [{(364x/3) – 100x}/(364x/3)] × 100 ~ 17.58%
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 can go on a motorboat with a speed of 18 km/hour in still water to a certain upstream point and return to the starting point in a river that flows...
A man can row at a speed of 64 km/h in still water to a certain upstream point and back to the starting point in a river which flows at 8 km/h. Find his...
A man can row at 36 km/hr in still water. In a stream which is flowing at 12 km/hr, it takes him 3 hrs to a place and back. How far is the place?
The speed ratio of a stream to the upstream speed of a boat is 1:9. A boat takes 2 hours and 30 minutes to travel 82.5 km downstream. Determine the time...
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 ...
Megha got 38% of the maximum marks in an examination and failed by 6 marks. In the same examination Teena got 42% of the total marks which is 14 marks m...
A man can row one quarters of a kilometer against the stream in 30/4 minutes and return in 5/2 minutes. The speed of the man in still water is:
The speed of a boat in still water is 5 times the speed of the stream. If the difference between the upstream and downstream speed of the boats is 24 km...
Boat ‘A’ can cover 120 km in still water in 10 hours. In still water, if the ratio of the speed of boat ‘A’ to that of ‘B’ is 4:5 and the sp...
