Question

Two digit number are formed from the digits $0,1,2,3,4$ where digits are not repeated. Find the probability for each of the event that the number formed is greater than $40$.

• A. $\frac{1}{16}$
• B. $\frac{3}{16}$
• C. $\frac{5}{16}$
• D. $\frac{7}{16}$

Answer 1

The correct option is B $\frac{3}{16}$

Sample space$=4\times 4=16$
Nos. obtained greater than $40=3(41,42,43)$
probability$=3/16$