3 public questions tagged with this topic.
Understanding this is easy: using formula we get 1/4. Calculation gives this directly, check steps: apply rule, substitute values, simplify to get 1/4.
Ref: NCERT Mathematics Class XI and XII
From the definition, after simplifying, 0.6 is left. The method is simple: formula → substitution → calculation → answer.
Ref: NCERT Mathematics Class XII — Probability
Understanding this is easy: solving fully: apply relevant formula, put numbers, compute. Result comes as 1/π. Easy verification shows it satisfies condition.
Ref: NCERT Mathematics Class XII — Probability
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