Quantitative Aptitude - Arithmetic Ability Questions

CAlculate : 72-6-45÷5-72-2×2÷2+2

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

Sum of a fraction and thrice of its reciprocal is 73/20. What is the fraction?

Coefficient of x2 in (x + 7)(5 - 3x)(3x - 6) is

If X + Y + Z = 9 then the value of (X -­ 4)3 + (Y -­ 2)3 + (Z -­ 3)3 - 3 (X -­ 4) (Y -­ Z) (Z ­- 3) is

Select the odd word from the given alternatives.

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

If the difference between the compound interest and the simple interest on a certain sum at the rate of 5% per annum for 2 years is Rs. 20, then the sum is