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Mathematics · 2022 · 2 marks
CBSE 2022 · Region 4 · Set 3 · Q5
Find the median of the following distribution:
Find the median of the following distribution :
| Marks | $\displaystyle 0$-$\displaystyle 10$ | $\displaystyle 10$-$\displaystyle 20$ | $\displaystyle 20$-$\displaystyle 30$ | $\displaystyle 30$-$\displaystyle 40$ | $\displaystyle 40$-$\displaystyle 50$ | $\displaystyle 50$-$\displaystyle 60$ |
| Number of students | $\displaystyle 5$ | $\displaystyle 8$ | $\displaystyle 20$ | $\displaystyle 15$ | $\displaystyle 7$ | $\displaystyle 5$ |
Marking-scheme solution
| Marks | No. of Students ( $\displaystyle f$ ) | $\displaystyle c f$ |
| $\displaystyle 0$-$\displaystyle 10$ | $\displaystyle 5$ | $\displaystyle 5$ |
| $\displaystyle 10$-$\displaystyle 20$ | $\displaystyle 8$ | $\displaystyle 13$ |
| $\displaystyle 20$-$\displaystyle 30$ | $\displaystyle 20$ | $\displaystyle 33$ |
| $\displaystyle 30$-$\displaystyle 40$ | $\displaystyle 15$ | $\displaystyle 48$ |
| $\displaystyle 40$-$\displaystyle 50$ | $\displaystyle 7$ | $\displaystyle 55$ |
| $\displaystyle 50$-$\displaystyle 60$ | $\displaystyle 5$ | $\displaystyle 60$ |
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CBSE Class 10 Mathematics past-paper question from the 2022 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.