Question
Easy
Cards bearing numbers 12, 13, 14, ... , 70, 71 (one number on one card) are kept in a box and then a card is drawn from the box without looking into it. What is the probability that the card drawn has the number which is not a prime ?
1
$\frac{45}{59}$
2
$\frac{1}{4}$
3
$\frac{15}{59}$
4
$\frac{3}{4}$
Question Details
Time to Solve: 12
Exam: CTET
Level/Paper: CTET_P2
Chapter: Data Handling
Topic: Probability
Correct Answer
Option D
Explanation
To determine the probability that the card drawn has a number which is not a prime, we need to follow these steps: 1. Identify the Range of Numbers: The cards have numbers ranging from 12 to 71. This gives us a total of: \[ 71 - 12 + 1 = 60 \text{ numbers} \] 2. Identify Prime Numbers in the Range: A prime number is a number greater than 1тАжRead More
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