Question
Buses A and B are moving around a circular ground of
radius 350 m. If the speeds of the buses A and B are 11 m/sec and 20 m/sec respectively, then what is the difference between the time taken by bus A and B to complete 2 round of the ground?Solution
Circumference if the ground = 2πr = 2 × 22/7 × 350 = 2200 m So, distance = 2200 m Time taken by bus A to cover 2 rounds of a ground = (2200/11) × 2 = 400 Time taken by bus B to cover 2 rounds of a ground = (2200/20) × 2 = 220 Required difference = 400 – 220 = 180
A shopkeeper sells an article at profit of 20% and uses a weight of 25% less instead of 1 kg. Find his actual profit?
A bookstore owner earns 15% profit by selling a book for Rs. 230 and a 25% profit by selling a magazine for Rs. 250. If he sells the book for Rs. 200, w...
- A dealer bought a microwave for Rs. 4,000 and a blender for Rs. 1,500. He increased their prices by 25% and 10% respectively. If both items were sold toget...
The profit earned after selling an article for Rs.1518 is the same as loss incurred after selling the article for Rs.1116. What is the cost price of the...
- A retailer lists a television at 55% above the cost price. If the tagged price is Rs. 15,500 and he offers a 20% discount, how much profit does he make?
- Priya purchased a piece of jewelry and marked its price 50% higher than the cost price. She sold it after giving a 20% discount for Rs. 4800. What would be...
One article is sold at 15% profit while other is sold at 5% loss such that the difference between their selling prices is Rs. 130. If the cost price of ...
By selling an article for 2640, a person loses 15% of its selling price. At what price (in RS) should he sell it to gain 15% on its cost price?
The difference between the cost price and sale price of an article is Rs.600 and the profit is 30%. Find the selling price.
The cost price of 26 mangoes is Rs.210. Because of bad quality of mangoes, the shopkeeper has to sell mangoes at a loss that is equal to selling price o...
