1

COMEDK 2022

MCQ (Single Correct Answer)

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The probability of choosing randomly a number c from the set {1, 2, 3, ... 9} such that the quadratic equation $$x^2+4x+c=0$$ has real roots, is

2

COMEDK 2022

MCQ (Single Correct Answer)

+1

-0

Five persons A, B, C, D and E are in queue of a shop. The probability that A and B are always together is

3

COMEDK 2022

MCQ (Single Correct Answer)

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-0

If the probability for A to fail in an examination is 0.2 and that for B is 0.3, then the probability that either A or B fail is

4

COMEDK 2022

MCQ (Single Correct Answer)

+1

-0

Three vertices are chosen randomly from the seven vertices of a regular 7-sided polygon. The probability that they form the vertices of an isosceles triangle is

Questions Asked from Probability (MCQ (Single Correct Answer))

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