7 public questions tagged with this topic.
We know that we verify 26 by full calculation: use standard identity, substitute, simplify step by step to reach 26.
Ref: NCERT Mathematics Class XII — Probability
The trick is we verify 7/2 by full calculation: use standard identity, substitute, simplify step by step to reach 7/2.
Ref: NCERT Mathematics Class XII — Probability
The logic is straightforward: using formula we get 5.6. Calculation gives this directly, check steps: apply rule, substitute values, simplify to get 5.6.
Ref: NCERT Mathematics Class XII — Probability
Look at it this way: we verify 8 by full calculation: use standard identity, substitute, simplify step by step to reach 8.
Ref: NCERT Mathematics Class XII — Probability
The logic is straightforward: we verify 0.6 by full calculation: use standard identity, substitute, simplify step by step to reach 0.6.
Ref: NCERT Mathematics Class XII — Probability
We can see that complete solution: write formula, plug data, do arithmetic. Final value matches 300. Simple and accurate.
Ref: NCERT Mathematics Class XII — Probability
Here's the idea in simple terms: using formula we get 21. Calculation gives this directly, check steps: apply rule, substitute values, simplify to get 21.
Ref: NCERT Mathematics Class XII — Probability
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