Quantitative Aptitude - Arithmetic Ability Questions

If x2+5x+6 = 0, then the value of 2xx2-7x+6 is

What is the value of Cot 60 - Sec 30?

If 3.5x = 0.07y, then find the result of [y-x / y+x]

The bus fare between two cities is increased in the ratio 1:2. Find the increase in the fare, if the original fare is Rs. 175.

What is the value of [tan (90 – A) + cot (90 – A)]2/[2 sec2(90 – 2A)]?

What is the simplest form of (1 + cosA)(cosecA ­ cotA)?

The length of a chord which is at a distance of 12 cm from the centre of a circle of radius 13 cm is

If sec θ (cos θ + sin θ) = √2, then what is the value of (2 sin θ)/(cos θ – sin θ)?