Question

Numbers 1 to 10 are written on ten separate slips (one number on one slip), kept in a box and mixed well. One slip is chosen from the box without looking into it. What is the probability of getting a 1-digit number?

• A. $\frac{9}{10}$
• B. $\frac{5}{10}$
• C. $\frac{1}{10}$
• D. $1$

Answer 1

The correct option is A $\frac{9}{10}$

Since there are $10$ slips. At a time any slip can be drawn once.

$\therefore$ No. of outcomes$10$

Now there are $9$ numbers which are single digit numbers i.e., $1,2,3,4,5,6,7,8,9$

$\therefore$ Probability of getting a single digit no. $=\frac{9}{10}$