Let the speed of the stream be 'M' km/h Speed of the ferry in still water = (4M + M) = 5M km/h Downstream speed = (5M + M) = 6M km/h Upstream speed = (5M – M) = 4M km/h Acc. to the question, 37.5 = 6M × (75/60) M = 5 km/h Upstream speed = 4M = 4 × 5 = 20 km/h Distance travelled = 4.7 × 20 = 94 km
58 notebooks have been purchased at the rate of 1 Rs. How many notebooks should be sold at the rate of Rs 1 to earn 45% profit?
Shopkeeper sold an article after allowing two successive discounts of 12% and 18%, respectively. If instead of a single discount, he had sold it after a...
A shopkeeper give 4 articles free on the purchase of every 12 articles. He also allows a discount of 20% to customer and still earns 20% profit. Find th...
When a shopkeeper sells an item A for Rs.52,800, he incurred a loss of 45%. If he sells another item B of same cost price in order to recover the loss i...
A pen costs Rs. 6 each, and a marker costs Rs. 5 each. A person purchased some pens and markers for a total of Rs. 100. In how many ways could he have b...
Pritam went shopping to buy a shoes, the shopkeeper asked him to pay 14% tax if he wants a bill. If not you can get 6% discount on the actual price of ...
Jeeva purchased an article for Rs.2500 and sold it at 25% above cost and paid a tax of Rs.125. Find the post-tax profit in rupees.
The cost price of 6 chocolates and 4 biscuits amounts to Rs. 6,960. Additionally, the cost price of 5 chocolates and 7 biscuits totals Rs. 8,880. Each c...
Kevin sold 10 bicycles at a profit of 15%. If he had sold all the bicycles for Rs. 2000 more, his overall profit would have been 25%. What is the sellin...
In a fruit shop, there are 750 fruits in total. Unfortunately, 20% of them are rotten and unsellable. From the good fruits left, half are sold at the c...
