Question
The ratio of the speed of a boat in still water to the
speed of the current is 11 : 4. The boat takes 72 minutes to travel 54 km downstream. How much time (in hours) will the boat take to travel 63 km downstream and 42 km upstream?Solution
The correct answer is D
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An article is sold at 15 (1/2) % profit. If its C.P. is increased by Rs. 40 and at the same time if its SP is also increased by Rs. 30, then % of profit...
The cost price of an article is Rs. (4n + 90). It is marked 25% above its cost price and sold after allowing a discount of Rs. 150. If the selling price...
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A trader marks an article 50% above its cost price. He sells it at a discount of 20% on the marked price. If instead he had given a discount of only 10%...
