Quantitative Aptitude - Arithmetic Ability Questions

Select the odd word/letters/number/number pair from the given alternatives.

If 7x + 6y = 5xy and 10x ­- 4y = 4xy, then value of x and y is

What is the value of [(sin 7x – sin 5x)÷(cos 7x + cos 5x)] – [(cos 6x – cos 4x)÷(sin 6x + sin 4x)]?

There are total 200 students in a school, of which 1/5th are boys. Find the number of girls in the school.

Hiten marks his pen at Rs 9800 and after allowing discount of 20%, he still earns 12% profit. What is the cost price (in Rs) of the pen?

The point Q(a,b) is first reflected in y­axis to Q1 and Q1 is reflected in x­axis to (­6,2). The co­ordinates of point Q are

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

Find the odd word/letters/numbers pair from the given alternatives.