quants
if P and Q are the roots of the equation : x^2 + Px + Q = 0, then what is the value of P
Percentages
A, B and C entered a burger eating competition. A beat C by 18 burgers. A also beat B by eating 50% more burgers than B. Also B had eaten 5 percentage points more burgers than C. Find the overall number of burgers that were eaten? Need in detail explanantion