Quantitative Aptitude - Arithmetic Ability Questions

If (x + y)/z = 2, then what is the value of [y/(y – z)] + [x/(x – z)]?

If the equations 6x - 5y + 11 = 0 and 15x + ky - 9 = 0 have no solution, then the value of k is:

A sum of Rs 8000 is borrowed at compound interest at the rate of 7% per annum. What will be the amount (in Rs) after 2 years?

In a rhombus _____.

What is the circumference (in cm) of a circle whose area is 616 sq cm?

PQR is a right angled triangle in which ∠R = 90°. If RS ⊥ PQ, PR = 3 cm and RQ = 4 cm, then what is the value of RS (in cm)?

Which of the following is the correct option for the congruency of the two triangles ABC and PQR as per the SAS congruency criterion?

The value of sec2θ + 2tanθcotθ - tan2θ is