Quantitative Aptitude - Arithmetic Ability Questions

In ΔXYZ measure of angle Y is 90°. If cosecX = 17/15, and XY = 4cm, then what is the length (in cm) of side YZ?

If the price of sugar is decreased by 18%, then a person can buy 16.2 kg sugar more for Rs 4500. What will be the new price (in Rs) of sugar per kg?

If a2b+c=b2c+a=c2a+b=1 then the value of 21+a+21+b+21+c

A certain sum when invested at 5% interest compounded annually for 3 years yields an interest of Rs.2522. Find the Principal?

If x + y = 13 and x2 + y2 = 89, then find xy is

The points A(3,­-2), B(1,4) and C(­-2,x) are collinear. What is the value of x?

A Number is increased by 20%. To get back to the orignal number, the increased number is to be reduced by

When a number is increased by 18, it becomes 106% of itself. What is the number?