Welcome to StudyMats. This comprehensive educational guide for Class 10 Maths| Chapter 15| Probability Important Questions is prepared to assist students in preparing effectively for their school, board, and competitive examinations. All questions, exercise solutions, and concept notes strictly adhere to the latest NCERT curriculum and CBSE guidelines.
📖 Curriculum: NCERT / CBSE Latest Syllabus |
🎯 Focus: Conceptual Clarity & Board Exam Success
Class 10 Maths – Chapter 15: Probability Practice Questions
Q1. A die is thrown once. What is the probability of getting a number between 1 and 6?
एक पासा एक बार फेंका जाता है। 1 और 6 के बीच संख्या आने की प्रायिकता क्या है?
Q2. A die is thrown once. Find the probability of getting an odd number.
पासा एक बार फेंका जाता है। विषम संख्या आने की प्रायिकता ज्ञात कीजिए।
Q3. A die is thrown once. Find the probability of getting a prime number.
पासा एक बार फेंका जाता है। अभाज्य संख्या आने की प्रायिकता ज्ञात कीजिए।
Q4. A die is thrown once. What is the probability of getting a number less than 7?
पासा एक बार फेंका जाता है। 7 से छोटी संख्या आने की प्रायिकता क्या है?
Q5. A card is drawn from a well-shuffled deck of 52 cards. Find the probability of getting: (a) a red card (b) a black card
52 ताश के पत्तों की गड्डी से एक पत्ता निकाला जाता है। (a) लाल पत्ता (b) काला पत्ता आने की प्रायिकता।
Q6. A coin is tossed once. Find the probability of getting a head.
एक सिक्का एक बार उछाला जाता है। चित आने की प्रायिकता ज्ञात कीजिए।
Q7. Two coins are tossed together. Find the probability of getting: (a) two heads (b) at least one head
दो सिक्के एक साथ उछाले जाते हैं। (a) दो चित (b) कम से कम एक चित आने की प्रायिकता।
Q8. A die is thrown once. Find the probability of getting a multiple of 3.
पासा एक बार फेंका जाता है। 3 का गुणज आने की प्रायिकता ज्ञात कीजिए।
Q9. A card is drawn from a pack of 52 cards. Find the probability of getting a king.
52 पत्तों में से एक पत्ता निकाला जाता है। बादशाह आने की प्रायिकता ज्ञात कीजिए।
Q10. A bag contains 5 red and 3 blue balls. One ball is drawn at random. Find the probability that it is blue.
एक थैले में 5 लाल और 3 नीली गेंदें हैं। नीली गेंद आने की प्रायिकता ज्ञात कीजिए।
Q11. A bag contains 7 red, 5 blue and 8 green balls. One ball is drawn. Find the probability that it is not red.
7 लाल, 5 नीली, 8 हरी गेंदें। लाल न होने की प्रायिकता।
Q12. Two dice are thrown together. Find the probability of getting a sum of 7.
दो पासे फेंके जाते हैं। योग 7 आने की प्रायिकता।
Q13. Two dice are thrown. Find the probability of getting: (a) doubles (b) sum less than 4
दो पासे। (a) समान संख्या (double) (b) 4 से कम योग।
Q14. A card is drawn. Find the probability that it is: (a) a face card (b) not a face card
एक पत्ता। (a) चित्र-पत्ता (b) चित्र-पत्ता न होने की प्रायिकता।
Q15. A bag contains 12 balls numbered 1 to 12. Find probability of: (a) even number (b) multiple of 3
1-12 अंकित 12 गेंदें। (a) सम संख्या (b) 3 का गुणज।
Q16. 200 pens, 180 good, rest defective. Probability of defective pen?
200 पेन, 180 अच्छे। खराब पेन की प्रायिकता।
Q17. 15 like Maths, 10 Science, 5 both. Probability: (a) only Maths (b) at least one subject
15 गणित, 10 विज्ञान, 5 दोनों। (a) केवल गणित (b) कम से कम एक विषय।
Q18. 4 white, 6 black, 10 red balls. Probability neither white nor black?
4 सफेद, 6 काली, 10 लाल। न सफेद न काली।
Q19. Three coins tossed. Probability of exactly two heads?
तीन सिक्के। ठीक दो चित।
Q20. Card drawn from 52. Probability not a king?
52 पत्तों में बादशाह न आने की प्रायिकता।
💡 Important Exam & Study Tips
- Master NCERT Fundamentals: Ensure thorough familiarity with standard textbook definitions, formulas, and in-text examples before solving advanced problems.
- Step-by-Step Presentation: In board examinations, neat presentation, correct formula application, and labeled steps earn maximum step-marking.
- Practice Under Timed Conditions: Regular practice with previous years' question papers (PYQs) builds exam speed and accuracy.
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❓ Frequently Asked Questions (FAQs)
Q1: Are these solutions aligned with the latest rationalized syllabus?
Yes, all study notes and practice questions on StudyMats strictly follow the updated NCERT textbook pattern and CBSE assessment guidelines.
Q2: How can I prepare this chapter for highest marks?
Review the theory thoroughly, solve all textbook exercise questions, and repeatedly practice the high-frequency questions provided in this guide.
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कक्षा 10 गणित
पासा प्रायिकता
प्रायिकता