CBSE Class 10 Maths (Standard) 2025 · Paper 30/3/1 · Question 38
The India Meteorological Department observes seasonal and annual rainfall every year in different sub-divisions of our country. It helps them to compare and analyse the results.
The table below shows sub-divisions wise seasonal (monsoon) rainfall (in mm) in .
Based on the information given above, answer the following questions:
| Rainfall (mm) | No. of Sub-divisions |
|---|---|
| 200 - 400 | 3 |
| 400 - 600 | 4 |
| 600 - 800 | 7 |
| 800 - 1000 | 4 |
| 1000 - 1200 | 3 |
| 1200 - 1400 | 3 |
- (i)Write the modal class.[1]
- (ii)(a)Find the median of the given data.[2]
- (ii)(b) (OR)Find the mean rainfall in the season.[2]
- (iii)If a sub-division having at least mm rainfall during monsoon season is considered a good rainfall sub-division, then how many sub-divisions had good rainfall?[1]
Answer
(i) The modal class is – mm; (ii)(a) The median rainfall is mm; (ii)(b) The mean rainfall is mm; (iii) sub-divisions had good rainfall.
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