Multiple choice

A coin whose faces are marked by $3, 4$ is tossed $5$ times the probability of getting a total of $24$ is

  1. $\displaystyle \frac{1}{12}$
  2. $\displaystyle \frac{5}{32}$
  3. $\displaystyle \frac{5}{16}$
  4. $0$
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The coin has faces 3 and 4. The maximum sum after 5 tosses is 5 * 4 = 20. Since 20 < 24, it is impossible to get a total of 24.