Probability

CBSE Class 10 · Mathematics · 53 past questions

These are the board's own papers. 126 more board questions reprinted in the books we use in class are for signed-in students: sign in.

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1. Q26 2025 (Basic)

   A lot consists of 200 pens of which 180 are good and the rest are defective. A customer will buy a pen if it…

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