Quantitative Aptitude - Arithmetic Ability Questions

If the numbers  93, 204, 256 are arranged in ascending order, then the right arrangement is 

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

A missile travels at 1278 km/h. How many metres does it travel in one second?

If x = 313- 3-13, then 3x2 + 9xis equal to

What is the value of tan 6° tan 36° tan 84° tan 54° tan 45°?

What is the value of (cosec30 - 1/√3)?

If P = 350 and Q = 600, then P is how much percentage less than Q?

Points P , Q and R are on a circle such that ∠PQR = 40° and ∠QRP = 60° . Then the subtended angle by arc QR at the centre is