A coin and six faced die, both unbiassed, are thrown simultaneously. The probability of getting a head on the coin and an odd number on the die, is :

Question

$$\begin {array} {1 1} (a)\frac{1}{2} & \quad (b)\;\frac{3}{4} \\ (c)\;\frac{1}{4} & \quad (d)\;\frac{2}{3} \end {array}$$