Quantitative Aptitude - Arithmetic Ability Questions

What is the ratio of radius of incircle and circumcircle for an equilateral triangle with an area of 22√3 sq. units?

If sec2A cosec2A = x, then x is

What is the value of Cot 45° + Cosec 60°?

If 4x + 3y = 11 and 3x + 2y = 8, then (x,y) is

If x-1x = 10, then find the value of x4+1x2

The income of S, T and U are in the ratio of 7 : 9 : 6 and their expenses in the ratio of 4 : 5 : 3. If S saves Rs 2000 out of an income of Rs 14000, then what will be the saving (in Rs) of T?

A person goes from point N to P and comes back. His average speed for the whole journey is 60 km/hr. If his speed while going from N to P is 40 km/hr, then what will be the speed of the person (in km/hr) while coming back from P to N?

The speed of car B is half the speed of car A. If car A covers a distance of 120 km in 1.5 hours, what is the speed of car B?