Quantitative Aptitude - Arithmetic Ability Questions

Select the odd letters from the given alternatives.

What is the value of Sin 30- √2 Cos 30

If cos2x + cos4x = 1, then tan2x + tan4x =

The ratio of two positive numbers is 3:4. The sum of their squares is 400. What is the sum of the numbers?

In an army selection process, the ratio of selected to unselected was 3:1. If 60 less had applied and 30 less selected, the ratio of selected to unselected would have been 5:1. How many candidates had applied for the process?

The ratio of present ages of Ratnabali and Shaukat is 8:5. After 22 years the ratio of their ages will be 10:9. At present, what is Ratnabali's age?

A sum of Rs. 3000 yields an interest of Rs. 1080 at 12% per annum simple interest in how many years ?

To cover a distance of 144 km in 3.2 hours what should be the average speed of the car in meters/second?