For the following questions answer them individually
After giving 20% discount on an article a shopkeeper earns 30% profit. Marked price is what percent of cost price?
The curved surface area of a cylinder is 25344 cm$$^2$$ and its height is 32 cm. What is the volume of a cylinder whose capacity is $$\frac{\pi}{792}$$ times the volume of the given cylinder?
A is 15% more than B. B is how much percent(correct up to two decimal places) less than A ?
If $$x + y + z = 360$$ and $$x : y : z = 4 : 3 : 2$$, then what is the value of $$y + z - x$$ ?