Quantitative Aptitude - Arithmetic Ability Questions

If p/q = (x+3)/(x-3), then what is the value of p2+q2p2-q2 ?

A man walks 1 km on 1st day , 2 km on 2nd day , 3 km on 3rd day and so on . The total distance the man covers in 10 days is

If X = 600 and Y = 800, then X is how much percent less than Y?

What will be the acute angle between the hour-hand and the minute -hand at 2:13 p.m?

If xy = -30 and x2 + y2 = 61, then find the value of (x + y).

If x3 = 62 - 32, then the value of x is

A Rs 750 tin of cheese is offered at 8% discount and a Rs 1,250 tin of butter at 20% discount. If we buy 5 tins of cheese and 3 tins of butter, what is the effective discount we get (in %)?

cot2A + cos2A is equal to