Ans is 3/4 according to the sk goyal bookPlease give me solution of this question
Durgesh Brahmankar , 6 Years ago
Grade 11
Algebra> Ans is 3/4 according to the sk goyal book...
1 Answers
Arun
Last Activity: 6 Years ago
Dear Durgesh
we want that question should be just solved.
Hence
P(solving the question) = 1 – P(No one solved the question)
= 1 – [(1 – 1/2)(1 – 1/3)(1 – 1/4)]
= 1 – [1/2 * 2 / 3 * 3/4]
= 1 – ¼
= 3/4
Regards
Arun (askIITians forum expert)
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