A bag contains 4 blue and 8 red identical balls. If two balls are picked at random with replacement, what is the probability of picking two balls of different colours?

Similar Questions

Simplify (√98 -√50)/√32 ...

Find p, q for which $\begin{pmatrix} 2p & 8 \\ 3 & -5q \end{pmatrix}$\(\begin{pmatrix} 1 \...

If $2x^2 + kx - 14 = (x+2)(2x-7)$, find the value of K...

If 2x + y = 10, and y $\neq$ 0, which of the following is not a possible value of x?...

The diagram shows a rectangular cardboard from which a semi-circle is cut off. Calculate the area of...

Find the integral values of x and y satisfying the inequality 3y + 5x $\leq$ 15, given that y >...

Factorize 35 - 2b - b2...

Which of the following is true about parallelogram? ...

If $y \propto \frac{1}{\sqrt{x}}$ and x = 16 when y = 2, find x when y = 24...

Find the range of values of x which satisfy the inequality $\frac{x}{2}$ + $\frac{x}{3}$ + \(\fr...