Challenge Prelims V1.0 – Day 71 – CSAT Paper

Challenge Prelims V1.0 – Day 71

Subject: CSAT

Topics: Probability

Instructions:
This section is designed to help you prepare for the upcoming Prelims Exam. Here are some details about the quiz:

– The quiz consists of 5 practice questions based on specified topics.
– Each question carries 2.5 marks.
– There is no negative marking for incorrect answers.
– This quiz is purely for practice purposes.

Your participation in this quiz can significantly boost your score in the Prelims Exam.

Best of luck! Let’s get started.


1. Two dice are thrown. What is the probability of getting a prime number as the sum?

 
 
 
 

2. Three cards are taken from a deck of 52 cards. What is the probability that all three cards are red?

 
 
 
 

3. Tickets numbered from 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?

 
 
 
 

4. A bag contains 2 red, 3 Green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue?

 
 
 
 

5. In a box there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green?

 
 
 
 

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