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.

8 of 40 · show all

Q7 2026 (Basic)

If HCF (850, 325) is 25, then LCM (850, 325) is…
Q8 2026 (Basic)

$7 \times 29 \times 23 + 1$ is…
Q19 2025

If (–1)^n + (–1)^8 = 0, then n is…
Q20 2025

Which of the following is a rational number between $\sqrt{3}$ and $\sqrt{5}$ ?
Q21 2025 (Basic)

The number $3+\sqrt{2}$ is…
Q31 2024 (Basic)

HCF $(132, 77)$ is…
Q32 2024 (Basic)

Two alarm clocks ring their alarms at regular intervals of 20 minutes and 25 minutes respectively. If they…
Q39 2023 (Basic)

The prime factorisation of natural number 288 is