Quantitative Aptitude - Arithmetic Ability Questions

If p/q = (x+3)/(x-3), then what is the value of p2+q2p2-q2 ?

If Rs. 2,000 is invested at the rate of 20% per annum, compounded half-yearly, then the amount after 18 months will be:

The average of 19 consecutive even integers is 50. The highest of these integers is

The sum of a non-zero number and 4 times its reciprocal is 17/2. What is the number?

In a triangle PQR, PX, QY and RZ be altitudes intersecting at O. If PO = 6 cm, PX = 8 cm and QO = 4 cm, then what is the value (in cm) of QY?

30% discount is offered on an item. By applying a promo code the customer wins 5% cash back. What is the effective discount?

What is the simplified value of Sec ACot A + Tan A2 ?

If 3sinθ+4cosθ=5 (0<θ<90°) then the value of sinθ is