Real Numbers

CBSE Class 10 · Mathematics · 40 past questions

These are the board's own papers. 154 more board questions reprinted in the books we use in class are for signed-in students: sign in.

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Q7 2026 (Basic)

If HCF (850, 325) is 25, then LCM (850, 325) is…
Q10 Sample paper 2026-27

The greatest number which divides both 134 and 188, leaving remainders 4 and 6 respectively, is…
Q18 2025

If HCF(98, 28) = m and LCM(98, 28) = n, then the value of $n - 7m$ is…
Q22 2025 (Basic)

Questions number 19 and 20 are Assertion and Reason based questions. Two statements are given, one labelled…
Q28 2024

If two positive integers $p$ and $q$ can be expressed as $p = 18a^2b^4$ and $q = 20a^3b^2$, where $a$ and $b$…
Q40 2023 (Basic)

Find the LCM and HCF of 92 and 510, using prime factorisation.