Quantitative Aptitude - Arithmetic Ability Questions

In the following question, select the odd letter/letters from the given alternatives.

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

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

ΔABC is right angled at B. If m ∠A = 60°, then what is the value of 1/√3 Cosec C?

Find a two digit number which is exactly three times the product of its digits?

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

If cosec π/4 - ­ sin π/3 = x, then the value of x is

What is the value of sec 30° + cot 30°?