Quantitative Aptitude - Arithmetic Ability Questions

Coefficient of x2 in 6x3 + 4x2 + 2x + 3 is

What will be the value of r2+p2+s2-rp-ps-rs when r = 4, p = 2, s = 8?

What is the value of tan 4π/3?

Which among the following is a mismatched pair of religion practiced and its holy book?

A ladder 20 m long is leaning against a vertical wall. It makes an angle of 30 deg with the ground. How high on the wall does the ladder reach?

In what ratio is the segment joining (-1, 3)and (2,-4) divided by the Y axis?

If x2+1x2-6, then find the value of 2x(x-1)x3-x2-x+1

The salary of a person is reduced by 20% . To restore the previous salary, his present salary is to be increased by