Quantitative Aptitude - Arithmetic Ability Questions

In the given figure, P  is the center of the circle. If QS = PR, then what is the ratio of angles RSP to the TPR ?

Determine the value of 'x' in x = 11+2+12+3+13+2

In the following question, select the odd word pair from the given alternatives.

If x3 + y3 + z3 = 3(1 + xyz), P = y + z – x, Q = z + x – y and R = x + y – z, then what is the value of P3 + Q3 + R3 – 3PQR?

cosA/(1 -­ sin A) is equal to

ΔDEF is right angled at E. If m∠D = 45°, then find the value of (tanF + 1/3).

All rational numbers are ____ numbers.

Select the odd word/letters/number/number pair from the given alternatives.