Quantitative Aptitude - Arithmetic Ability Questions

A dealer marks his goods 20% above cost price. He then allows some discount on it and makes a profit of 8%. The rate of discount is

If sin(A/2) = x, then the value of x is

Both X and Y together can complete a work in 12 days and Y alone can complete the same work in 30 days. In how many days will X alone complete the work?

X can finish 25% of a work in a day. Y can do 12.5% of the same work in a day. In how many days, will both of them finish the work together?

What is the value of sin ­7π/4c?

What is the equation of a line which has 3 as x-intercept and -5 as y-intercept?

A truck covers a distance of 550 metres in one minute where as a bus covers a distance of 33 km in 3/4 hours. Then the ratio of their speeds is :

Δ DEF is right angled at E. If m∠D = 45%., then Cosec F =