Question
Arijit, Benny, and Chetna together can complete a work
in 12 days. If the ratio of the efficiency of Arijit, Benny, and Chetna is 8:5:6, respectively, then find the time taken by Arijit alone to complete the whole work.Solution
ATQ, Let the number of units of work done by Arijit, Benny and Chetna alone be 8a, 5a and 6a units per day, respectively. So, total work = 12 × (8a + 5a + 6a) = 228a units So, time taken by Arijit alone to complete the whole work = 228a/8a = 28.5 days
A shopkeeper sold an article at marked price and got a profit of 70%. If he had given a discount of 30%, then find his new profit percent.
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 gives 2 articles free on the purchase of every 10 articles. He also allows a discount of 20% to customer and still earn 25% profit. Find th...
- If a shopkeeper earns a profit on selling 30 metres of fabric equal to the cost price of 6 metres of the fabric, determine the profit percentage.
- A dealer has 3000 kg of pulses. He sells a part of it at 22% profit and the rest at 14% profit. If the overall gain is 18%, determine how much (in kg) was ...
A shopkeeper marked an article P% above its cost price and sold it for Rs. 576 after giving a discount of 20%. If the ratio of cost price and selling pr...
A manufacturer produces 500 units of a certain product, with each unit costing him Rs 120 to produce. Out of these, he sells 300 units at a profit of 15...
A shopkeeper marked an article Rs. 650 above its cost price and sold it after giving a discount of 15% and earned a profit of 35%. Find the cost price o...
- Cost price of a CPU is 12.5% less than the marked price of tablet which is 36% less than the marked price of the CPU. The tablet is sold at 20profit after ...
A merchant labeled an item with a price 40% higher than the cost price and subsequently sold it with a discount of d%, resulting in a 5% profit. Determi...
Relevant for Exams:
