Let total amount of work be 120 units (LCM of 30 and 40). Efficiency of ‘A’ = 120/30 = 4 units/day Efficiency of ‘B’ = 120/40 = 3 units/day Amount of work done by ‘A’ and ‘B’ together in 9 days = (4 + 3) × 9 = 63 units Time taken by B to complete remaining work = {(120 – 63)/3} = 19 days
The ratio of marked price, cost price and selling price of an article is 17:12:8, individually. If the difference between marked price and cost price of...
A shopkeeper purchased an article for Rs. ‘a’ and marked it 140% above its cost price and sold it after giving two successive discounts of Rs270 a...
A person bought an article and sold it at a loss of 20%. If he had bought it at 10% less and sold it for 74 more, h would have gained 30%. Find the prof...
An item is initially priced 36% higher than its cost price. After applying a 25% discount, it sells for a profit of Rs. 30. If, instead, the item is mar...
Due to reduction of 25% in price of oranges a customer can purchase 4 oranges more for Rs. 16. what is original price of an orange?
Find a single discount percentage equivalent to successive discounts of 20%, 30%, and 35% ?
A man bought two properties. The cost of the first property is 60% of the cost of the second property. He sold the first property at a profit of 25% an...
The ratio of cost price to marked price of a rice bag is 7:8 and the Marchant gets a profit of Rs.80 by selling the rice bag at Rs. 500. Then, what will...
A dishonest shopkeeper takes 20% more than the indicated weight when he purchases the items from the dealer. He gives 20% less than the indicated weight...
A trader marked an item 60% above its cost price and sold it for Rs. 2400 after offering a 25% discount. What was the cost price ...
