Quantitative Aptitude - Arithmetic Ability Questions

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

What is the value of z2+1z2 when z = 5+26 ?

The angle of elevation of the top of a hill at the foot of the tower is 60 deg and the angle of elevation of the top of the tower from the foot of the hill is 30 deg. If the tower is 50 m high, what is the height of the hill?

If x + y + z = 0, then what is the value of (3y2 + x2 + z2 )/(2y2 – xz)?

p3 + q3 + r3 – 3pqr = 4. If a = q + r, b = r + p and c = p + q, then what is the value of a3 + b3 + c3 – 3abc?

If 4(x + 1) - 3 < 3 - x < 2x + 5; then the value of x is

Find out the odd word/letters/number pair from the given alternatives

Find the odd word/letters/number from the given alternatives.