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A problem in mechanics is given to three students A, B and C whose chances of solving it are 1/2, 1/3 and 1/4 respectively. The probability that the problem will be solved, is
  • a)
    1/4
  • b)
    2/4
  • c)
    3/4
  • d)
    3/5
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
A problem in mechanics is given to three students A, B and C whose ch...
Required Probability = P (at least one of the student solve the problem)
= 1 - P ( None of the student solves the problem)
= 1-
= 1-
Alternate :
Probability that A will not solve the problem
Probability that B will not solve the problem
Probability that C will not solve the problem
Probability that all three will not solve the problem
The probability that all the three will be solve the proble
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