Quantitative Aptitude - Arithmetic Ability Questions

What is the value of cosec 3π/4?

If the selling price is Rs 855 after getting a discount of 5%, what was the marked price?

Select the odd word from the given alternatives.

When a discount of 50% is given on a shirt, the profit is 25%. If the discount is 10%, then the profit is

If a + b = 4 and ab = 3, then what is the value of a3 + b3?

An aeroplane flying horizontally at a height of 3 Km. above the ground is observed at a certain point on earth to subtend an angle of 60°. After 15 sec flight, its angle of elevation is changed to 30°. The speed of the aeroplane (taking √3 = 1.732) is

What is the value of (32 cos6x – 48 cos4x + 18 cos2x – 1)/[4 sin x cos x sin (60 – x) cos (60 – x) sin (60 + x) cos (60 + x)]?