Quantitative Aptitude - Arithmetic Ability Questions

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

ΔPQR is right angled at Q. If secP = 13/5, then what is the value of sinR ?

If 1/√(1 + cot2A) = x, then value of x is

Divide Rs. 288 in the ratio 2 : 3 : 5 : 6. The rupees in the respective ratios are given by

When a number is increased by 42, it becomes 121% of itself. What is the number?

What is the value of Sec 30° + Tan 60°?

What is the value of {[sin (x + y) – 2 sin x + sin (x – y)]/[cos (x – y) + cos (x + y) – 2 cos x]} × [(sin 10x – sin 8x)/(cos 10x + cos 8x)]?

cos(A+B) + cos(A-B) is equal to