For the following questions answer them individually
A trader earns a profit of 20% by selling an article after giving a discount of 20% on the marked price of the article. If the cost price of the article is ₹448, then its marked price (in ₹) is:
When the speed of a car is increased by 25%, it takes 24 minutes less to cover the same distance. What is the time (in hours) taken to cover the same distance at the actual speed?
The cost prices of two articles are in the ratio 4 : 5. Selling the first article at 10% profit and the second at 20% profit will give the difference of ₹480 in their selling prices. The sum of the cost price of the two articles is:
Ram bought an article for ₹6,800 and spent 700 on its repairs. He marked his article at 8% above the overall cost price. He sold the article for ₹6,196.50 after giving two successive discounts of 10% and $$x$$% ,. Find the value of $$x$$ .
A sold an article to B at 24% profit. B sold it to C at 30% profit. If B's profit was ₹72.60 more than that of A, then how much (in ₹) did B pay for it?
A and B can complete a work in 12 days and 18 days, respectively. They worked together for 4 days after which B was replaced by C and the remaining work was completed by A and C in the next 4 days. In how many days will C alone complete one-third of the same work?
The sum of the length, the breadth and the height of a cuboid is 18 cm. If the length of its diagonal is 13 cm, then the total surface area of the cuboid is:
The average score of nineteen students in a computer examination is 74. It was detected that while working out the average by mistake the marks secured by one student was recorded as 65 in place of 56. What is the correct average
score ( correct to one decimal place)'
Sudha gains 30% by selling an article for ₹91. If she sells it for ₹78.75, then what will be her percentage loss/gain?
Sushma has invested 40% more than Reshma. Reshma has invested 30% less than Divya. If the amount invested by
Divya is ₹6,000, then the amount invested by Sushma is: