Quantitative Aptitude - Arithmetic Ability Questions

On a machine there is 10% trade discount on the marked price of Rs 2,50,000. But the machine is sold at Rs 2,16,000 after giving a cash discount. How much is this cash discount (in %)?

A, B and C can together do a job in 9 days. C alone can do the job in 36 days. In how many days can A and B do 50% of the job working together?

Mansukh can do a piece of work in 10 hours. If he is joined by Jayanti who is 50% more efficient, in what time will they together finish the work?

What is the remainder when 6910 is divided by 81?

If 310 × 272 = 92 × 3n then the value of n is

In the following question, select the odd word from the given alternatives.

The difference between the simple interest obtained by investing Rs. 'X' with 8% per annum for an year and by investing Rs. 'X+1400' with 8% per annum for two years is 240 Rs. Find the value of X.

A can do a work in 36 days and B in 12 days. If they work on it together, then in how many days will they be able to do the work?