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Most Expected Questions on Real Numbers (2025–26)
Most Expected Questions on Real Numbers (2025–26) | CBSE Class 10 Maths 📘 Most Expected Questions on Real Numbers (2025–26) CBSE Class 10 Mathematics | Chapter – Real Numbers Here are the most important and repeatedly asked questions from CBSE Sample Question Papers and Previous Year Exams. These are highly expected for the 2025–26 board examinations. 🔢 MCQs & Numerical Based Questions 1. If two positive integers a = r y² and b = x y , where x and y are prime numbers, then the result obtained by dividing the product of the integers by LCM(a, b) is:
(a) xy (b) ry (c) r²y (d) y 2. Let a = p³q² and b = p²q⁵ where p and q are prime numbers.
If HCF(a,b) = p²q² and LCM(a,b) = p³q⁵, then find (m + n)(r + s).
(a) 15 (b) 30 (c) 35 (d) 72 3. The LCM of two prime numbers p and q (p > q) is 221.
Find the value of 3p − 4q .
(a) 4 (b) 28 (c) 38 (d) 48 4. If the sum of two numbers is 1215 and their HCF is 81, then the number of possible pairs is:
(a) 2 (b) 3 (c) 4 (d) 5 5. Find the greatest 5-digit nu…