Each of the numbers ${1, 2, 3}$ and $5$ is written on a card. Two cards are drawn uniformly at r

Question

Each of the numbers ${1, 2, 3}$ and $5$ is written on a card. Two cards are drawn uniformly at random in succession without replacement; the first gives the tens digit and the second the units digit. Find the probability that the two-digit number is divisible by $4$, a prime number, not divisible by $5$.

Accepted Answer

(i) $\frac14$ (ii) $\frac13$ (iii) $\frac34$

Probability Forming a Two-Digit Number

Probability Forming a Two-Digit Number

Video Solution:

Solution:

Solution locked