Quantitative Aptitude - Arithmetic Ability Questions

What is the value of [(sin x + sin y) (sin x – sin y)]/[(cosx + cosy) (cosy – cosx)]?

Amarjeet scored 92, 98 and 90 marks in Chemistry, Mathematics and Physics respectively. The maximum marks in each subject are 100. Determine his overall percentage for the three subjects.

If -3[1-(x/2)] + 5x/3 = 1/6, then what is the value of x?

What is the value of Cot 45° - (1/√3)Cosec 60°?

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

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

The mean of the data 1, 1/2, 1/2, 3/4, 1/4, 2, 1/2, 1/4, 3/4 is

The point where the 3 medians of a triangle meet is called