Bihar Board Class 10 · Mathematics (गणित)

Probability: Class 10 Mathematics (गणित) (Bihar Board) important questions and practice

Probability is chapter 14 of 14 in Bihar Board Class 10 Mathematics (गणित). Below are the topics the paper draws from, the question types that come up again and again, and a free practice test on this chapter alone.

Topics in this chapter

Theoretical (classical) probability
Equally likely outcomes and sample space
Complementary events: P(E) + P(not E) = 1
Problems on coins, dice, cards and balls
Sure event, impossible event and range of probability

What examiners usually ask

Two dice are thrown together; find the probability that the sum of the numbers is 8
One card is drawn from a well-shuffled deck of 52 cards; find the probability of getting a red face card
A bag has 5 red and 8 white balls; if a ball is drawn at random, find the probability that it is not red

Exam tip

Write the sample space size first (36 for two dice, 52 for cards) and know that there are 12 face cards and 26 red cards; many errors come from counting the king, queen and jack of only one colour.

Probability on other boards and exams

Frequently asked questions

What are the important questions from Probability for Bihar Board Class 10?

The question types listed above repeat most often in Bihar Board Class 10 Mathematics (गणित) papers for this chapter. Practise them with the chapter test and then attempt them inside a full previous-year paper under time.

Is Probability in the Bihar Board Class 10 Mathematics (गणित) syllabus?

Yes. Probability is part of the current Bihar Board Class 10 Mathematics (गणित) syllabus, as listed on this site from the prescribed textbook.

Can I practise Probability MCQs in Hindi?

Yes. The chapter test and explanations are available in Hindi and English, with an AI doubt solver for any question.

Mathematics (गणित) chapters · Bihar Board Class 10 · 2027