How many possible ways are there of seating seven people P,Q,R,S,T,U and V at a circular table

A box contains 5 blue balls, 3 red balls and 2 white balls. Two balls are selected from the box with replacement. Find the probability of obtaining two blue or two red balls

What is the probability that an integer x,(1 \(\leq\) x \(\leq\) 20) chosen at random is divisible by both 2 and 3?

The diagram above is the graph of the function f(x). Determine the range of values of x for which f(x) \(\geq\) 0.

in the diagram above, calculate the value of x.