Quantitative Aptitude - Arithmetic Ability Questions

What is the difference of the cube and square of the common root of (x2 – 8x + 15) = 0 and (y2 + 2y – 35) = 0?

If k is the largest possible real number such that p4+q4=(p2+kpq+q2)(p2-kpq+q2),then the value of k is

Find the marked price if the selling price is Rs. 9250 and discount is 7.5%.

Rohit buys a ball for Rs 450 and sells it. Rohit gives two successive discount of 20% and 5% to the customer. What will be the selling price (in Rs) of the ball?

If -3/2 + (2/3)(3x + 9) = x/2, then what is the value of x?

Reflection of the point (4,­6) in the origin is

What is the value of x4+y4 when the value of x3+y3=8 and x+y=2 ?

A telephone bill costs Rs.13 for 19 minutes. What is the cost in rupees for 15 minutes 50 seconds?(rounded to one decimal)