Introduction Quiz - CBSE Class 7 Mathematics

Free practice quiz: Introduction (CBSE Class 7 Mathematics). 11 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. What is the probability of flipping a coin and it landing on heads?

   1. 1/2
   2. 1/3
   3. 1/4
   4. 1
   Show answer

   Answer: A. 1/2

   A fair coin has two sides, heads and tails, so the probability of flipping heads is 1 out of 2 outcomes.

2. There are 3 red marbles and 2 blue marbles in a bag. What is the probability of drawing a red marble?

   1. 3/5
   2. 1/2
   3. 2/5
   4. 1
   Show answer

   Answer: A. 3/5

   There are 3 red marbles out of a total of 5 marbles, so the probability is 3/5.

3. If you have 4 different books, what is the probability of picking a specific book at random?

   1. 1/4
   2. 1/5
   3. 2/4
   4. 3/4
   Show answer

   Answer: A. 1/4

   There is 1 specific book out of 4, so the probability is 1/4.

4. If there are 10 boys and 15 girls in a class, what is the probability of picking a boy?

   1. 2/5
   2. 1/3
   3. 3/5
   4. 1/2
   Show answer

   Answer: A. 2/5

   There are 10 boys out of a total of 25 students, so the probability is 10/25 or 2/5.

5. In a jar with 7 red balls and 3 green balls, what is the probability of picking a green ball?

   1. 3/10
   2. 7/10
   3. 1/2
   4. 1/3
   Show answer

   Answer: A. 3/10

   There are 3 green balls out of a total of 10, so the probability is 3/10.

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