Real Number: Previous Year Questions | Class 10 Maths Ch 1 | CBSE 2024_25 (L #7)

Real Number: Previous Year Questions | Class 10 Maths Ch 1 | CBSE 2024_25 (L #7)

Real Number: Multiple Choice Questions (Que. 27 to 50) | Class 10 Maths Ch 1 | CBSE 2024 (L #5)
Real Number: Case Study Question (Que. 1 to 4) | Class 10 Maths Ch 1 | CBSE 2024 (L #6)

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✅ In this video,

✔️ Class: 10th
✔️ Subject: Maths
✔️ Chapter: Real Numbers (Chapter 1)
✔️ Topic Name: Previous Year Question
✔️ Topics Covered In this video: In this captivating video, sir guides you through the fascinating realm of Class 10th Maths, focusing on the topic of 'Previous Year Question ' within Chapter 1 "Real Numbers." dive deep into the captivating world of Maths as we explore key concepts essential for success in your studies. Join us as we simplify complex topics and make learning fun and engaging for all Class 10th students.
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Introduction - Real Numbers - Previous Year Question
Previous Year Question (Que. 1) - Que. 1: What is the HCF of smallest prime number and the smallest composite number? (2018)
Previous Year Question (Que. - 2: Given that √2 is irrational, prove that (5 + 3√2) is an irrational Number. (2018)
Previous Year Question (Que. - 3: Find HCF and LCM OF 404 and 96 and verify that HCF x LCM = Product of the two given numbers. (2018)
Previous Year Question (Que. - 4: Find a rational number between √2 and √3. (2020-21)
Previous Year Question (Que. - 5: Prove that √2 is an irrational number. (2020-21)
Previous Year Question (Que. - 6: The total number of factors of a prime number is: (2021-22)
(a) 1
(b) 0
(c) 2
(d) 3
Previous Year Question (Que. - 7. The HCF and the LCM of 12, 21, 15 respectively are
(a) 3, 140
(b) 12, 420
(c) 3, 420
(d) 420, 3
(2021-22)
Previous Year Question (Que. - 8: Assertion (A): The number 5n cannot end with the digit 0, where n is a natural number.
Reason (R): Prime factorization of 5 has only two factors, 1 and 5.
Previous Year Question (Que. - 9: Using prime factorization, find HCF and LCM of 96 and 120. (2022-23)
Previous Year Question (Que. - 10: (a) Prove that √3 is an irrational number.
OR (2022-23)
(b) The traffic lights at three different road crossings change after every 48 seconds, 72 seconds and 108 seconds respectively. If they change simultaneously at 7 a.m., at what time will they change together next?