# NCERT Solutions for Class 10 Maths Chapter 15 - Probability

Increase your Maths board exam score with TopperLearning’s NCERT Solutions for CBSE Class 10 Mathematics Chapter 15 Probability. Use our expert solutions to learn to find the number of coloured balls in a bag or to prove that a given event will be an impossible event. Understand how to use the probability formula to find answers based on the information about the number of favourable outcomes and the total number of outcomes.

Access reliable CBSE Class 10 Maths textbook solutions by experts on our study portal 24/7. Revise probability concepts and improve your exam score with our chapter-wise NCERT solutions, topic notes and other resources. We have a dedicated ‘UnDoubt’ section to help you with resolving your probability-related doubts too.

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## Chapter 15 - Probability Exercise Ex. 15.2

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Therefore, the number of blue balls in the bag is 10.

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