Q1. [1]
The common difference of the AP : $\sqrt{2}, 2\sqrt{2}, 3\sqrt{2}, 4\sqrt{2}, .....$ is :
- (a) $\sqrt{2}$
- (b) 1
- (c) $2\sqrt{2}$
- (d) $-\sqrt{2}$
Previously asked in CBSE board exam
2026 30/1/1 Q6
Generated by claude-sonnet-4-6 · 2026-06-15 10:32 · grounding rag
Model Answer
(a) $\sqrt{2}$
Common difference $d = 2\sqrt{2} - \sqrt{2} = \sqrt{2}$.
Explanation
The common difference is found by subtracting any term from the next term. Here, each term increases by $\sqrt{2}$, so $d = \sqrt{2}$. Option (a) is correct.
If a question refers to an image, map, graph or diagram that is not shown here, open the Study Guide single page app, go to
Library and find the actual CBSE question paper. The original papers are also available on the CBSE website:
cbse.gov.in.