Quantitative Aptitude - Arithmetic Ability Questions

Working 10 hours a day, Aman can complete a piece of work in 18 days. How many hours a day should he work so as to finish the work in 15 days?

If 15 persons can do a job in 30 days, then 30 persons with twice the efficiency can do the same job in how many days?

Among three numbers, the first is twice the second and thrice the third. If the average of three numbers is 396, then what is the difference between the first and the third number?

If the loss of percent on article is 15%. Then the ratio of the cost price and sell price will be

Cost price of an article is Rs 360. If the profit percentage is 32%, then what is the value (in Rs) of profit?

If the selling price of an article is doubled, then its loss percentage gets converted into the equal profit percentage. What is the loss percentage?

If 7 times the seventh term of an Arithmetic Progression (AP) is equal to 11 times its eleventh term, then the 18th term of the AP will be

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 5% per annum is Rs 45. The sum is