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ATQ, Rate = (42/2) = 21% per 6 months Desired interest = 10000 × [(1.21)2 – 1] = 10000 × 0.4641 = Rs.4641
The cost price of an item is 60% less than its marked price, which is 50% more than its selling price. What is the profit percent...
A boat covers 24km upstream and 36km downstream in 6 hours while it covers 36km upstream and 24km downstream in 13/2 hours. The speed of the current is....
The speed of boat downstream and upstream is 36 km/hr and 26 km/hr respectively. Time taken to travel a distance of (k + 60) km downstream and (l + 40) ...
A car has to cover a distance of 240 km in 30 hours. If it covers half of the journey in 3/5 th of the time, the speed to cover the remainin...
Speed of boat is 10 km/hr. Speed of the stream is 20% less than speed of boat. Then find time taken by boat to go 90 km downstream?
The speed of a boat in still water is 7 km/hr and speed of current is 4 km/hr. If time taken to cover a certain distance upstream is 22 hours, then how ...
A man rows upstream 10 km and downstream 15 km taking 5 hours each. Find the speed of current.
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A boat goes 52 km in upstream in 4 hours and takes 3 hours to complete a distance of 21 km in downstream. Find the speed of boat in still water.
A boat can travel 42 km downstream in 60 min. The ratio of the speed of the boat in still water to the speed of the stream is 5: 2. How much time will t...
