CBSE Class 12 Mathematics 2026 Main Paper 65/4/3 · Q181 Marksindependent_events

CBSE Class 12 Mathematics 2026 Main Paper 65/4/3 · Question 18 (Probability)

An item is available in shops A, B and C with probabilities 4/5, 3/4 and 2/3. Assuming independent availability, find the probability it is available in at least one shop.

(A) 59/60
(B) 1
(C) 1/60
(D) 9/60

✅ Step-by-Step Solution

Final Answer: 59/60

The probability it is unavailable in all three is (1/5)(1/4)(1/3)=1/60. Subtract this from one.

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CBSE Class 12 Mathematics 2026 Main Paper 65/4/3 · Question 18 (Probability)

✅ Step-by-Step Solution

Master Chapter 13: Probability

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