Question
A boat goes 60 km upstream in 4 hours and 50 km
downstream in 2 hours, then the speed of the boat in still water isSolution
Let the speed of boat = x and the speed of the stream = y 60/(x-y) = 4 ⇒ x-y = 15 50/(x+y) = 2 ⇒ x+y = 25 From above x = 20 km/hr
- A shopkeeper sold a fridge for Rs. 1200, making a 20% gain. The fridge was marked at Rs. 1400. What was the discount he provided to make only 10% profit?
The selling price of an article is 75% of its marked price, and the shopkeeper earns a profit of 25%. The difference between the marked price and the co...
A vendor acquired a piece of clothing for Rs. ‘a’ and marked it 160% above its cost price, and sold it after giving two successive discounts of 900 ...
Total cost price of two items, A and B, is Rs. 720. Both are marked up by 50%, and the marked price of item B is Rs. 150 more than that of item A. What ...
A shopkeeper sells an article for Rs 78 and earns twice the profit that he would have earned on selling this article for Rs 50. Find the C.P of t...
Find the CP, when SP = Rs. 696, Loss = 13%.Â
A Washing Machine was sold with two successive discounts of 12% and 20%. If it had been sold with a single discount of 32%, there would have been a lo...
A shopkeeper marks up an item by 25%. If he increases the discount from 11% to 15%, the profit will decrease by Rs. 90. Find the selling price of...
- The cost price and marked price of a bag are in the ratio of 4:9. If the bag is sold at a 30% discount, the shopkeeper makes a profit of Rs. 180. Determine...
A seller sold a vehicle for Rs. 81,000 with the loss of 10%. At what price be sold to earn 10% profit?
Relevant for Exams:
