Quantitative Aptitude - Arithmetic Ability Questions

If θ>0, be an acute angle, then the value of it in degrees satisfying cos2θ-3cosθ+2sin2θ=1 is

Find the products : 0.5 x 0.05 x 0.005 x 500

The sum of 4x + 3y ­ 7z, x ­ y ­ z and ­2x ­ 3y + 4z is

Select the odd word from the given alternatives.

Four pairs of words are given. Find the odd one out.

If a3 + 3a2 + 9a = 1, then what is the value of a3 + (3/a)?

 In the triangle ABC, the internal bisector of angle A meets the side BC at D. If BD=7.5 cm and BC=9 cm. Then calculate the value of AB:AC.

The smallest number, which should be added to 756896 so as to obtain a multiple of 11, is