NCERT Solutions for Class 10 Maths Chapter 15 Probability

NCERT Solutions for Class 10 Maths Chapter 15 Probability Exercise 15.1 and Exercise 15.2 in English and Hindi medium available to download in PDF. There are two exercises in this chapter. Our maths teachers have prepared solutions for these exercises in an easy way. This is the last chapter of the textbook. Get free solutions for RD Sharma and RS Aggarwal class 10th Maths.

NCERT Solutions for Class 10 Maths Chapter 15

NCERT Solutions for Class 10 Maths Chapter 15 Exercise 15.1 Probability is given below. Get 10 th NCERT Books in Hindi & English Medium.

Class 10 Maths Solutions Probability English Medium

Check out other chapters : Chapter 12, Chapter 13 and Chapter 14 

Introduction of Probability


The theory of probabilities and the theory of errors now constitute a formidable body of great mathematical interest and of great practical importance. – R.S. Woodward

When we speak of a coin, we assume it to be ‘fair’, that is, it is symmetrical so that there is no reason for it to come down more often on one side than the other. We call this property of the coin as being ‘unbiased’. By the phrase ‘random toss’, we mean that the coin is allowed to fall freely without any bias or interference.

We know, in advance, that the coin can only land in one of two possible ways — either head up or tail up (we dismiss the possibility of its ‘landing’ on its edge, which may be possible, for example, if it falls on sand). We can reasonably assume that each outcome, head or tail, is as likely to occur as the other. We refer to this by saying that the outcomes head and tail, are equally likely.

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