Quantitative Aptitude - Arithmetic Ability Questions

A watch shows 6 p.m. where the hour hand points east. In which direction is the minute hand facing when the time is 9.15 p.m?

If √(1 + cot2A)/cotA = x, then the value of x is

Choose the CORRECT option if the two sides of a triangle is of length 4 cm and 10 cm and the length of its third side is a cm.

The average age of 30 boys in a class is 10 years. If the age of their teacher is also included, the average increases by one year. The teacher's age in years is

What is the average of 90, 250, 240, 204, and 616?

If x = y + 2 then x3 - y3 - z3 is

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 sinθ+cosθsinθ-cosθ=3,then the value of sin4θ-cos4θ is