Quantitative Aptitude - Arithmetic Ability Questions

Cost price of a watch is Rs 530. If the loss percentage is 24%, then what is the value (in Rs) of loss?

At a telephone exchange, three phones ring at intervals of 20 sec, 24 sec and 30 seconds. If they ring together at 11 : 25 a.m, when will they next ring together?

What is the reflection of the point (6, -3) in the line y = 2?

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

If the amount received at the end of 2nd and 3rd year at compound Interest on a certain Principal is Rs 9,600 and Rs 10,272 respectively, what is the rate of interest (in %)?

If the selling price of an item is Rs 9750 after getting a discount of 25%, then what was its marked price (in Rs)?

If tanA -­ tanB = X, then the value of X is

P and Q can do a project in 20 and 12 days respectively. In how many days can they complete 40% of the project if they work together?