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A speaks truth in 60% of the cases, w...

A speaks truth in 60% of the cases, while B in 90% of the cases. In what percent of cases are they likely to contradict each other in stating the same fact? In the cases of contradiction do you think, the statement of B will carry more weight as he speaks truth in more number of cases than A?

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A speaks truth in 60% of the cases, while B in 40% of the cases. In what percent of cases are they likely to contradict each other in stating the same fact?

A speaks truth n 60% of the cases and B in 90% of the cases. In what percentage of cases are they likely to i. contradict each other in stating the same fact? ii. agree in stating the same fact?

A speaks truth in 75% and B in 80% of the cases. In what percentage of cases are they likely to contradict each other in narrating the same incident?

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A speaks truth in 75% cases and B speaks truth in 80% cases. Find the probability that they contradict each other in stating the same fact?

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In a family the husband tells a lie in 30% cases and the wife in 35% cases. Find the probability that both contradict each other on the same fact.

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XII BOARD PREVIOUS YEAR PAPER ENGLISH-BOARD PAPER SOLUTIONS-All Questions
  1. Solve the following differential equation: x\ dy-y\ dx=sqrt(x^2+y^2...

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  2. Solve the following differential equation: <math>  <mrow>   <mro...

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  3. A speaks truth in 60% of the cases, while B in 90% of the cases. In...

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  4. If vec a ,\ vec b ,\ are two vectors such that | vec a+ vec b|=| ve...

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  5. In answering a question on a multiple choice test, a student either...

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  6. An urn contains 4 white and 3 red balls. Let X be the number of red ba...

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  7. If y=(sin^(-1)\ x)/(sqrt(1-x^2)) , show that (1-x^2) (d^2\ y)/(dx^2)-...

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  8. Using properties of determinants, prove the following: |[1,1+p,1+p+q],...

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  9. On a multiple choice examination with three possible answers (out o...

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  10. If vec p is a unit vector and ( vec x-\ vec p).( vec x+\ vec p)...

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  11. Let f: NvecN be defined by f(n)={(n+1)/2,\ "if"\ n\ "i s\ o d d"n/2...

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  12. Solve the following differential equation: cos^2x(dy)/(dx)+\ y=tanx

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  13. Solve the following differential equation: x(dy)/(dx)=y-xtan(y/x)

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  14. Find the distance of the point P(6,5,9) from the plane determined b...

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  15. If matrix A=[[1,-1],[-1 ,1]] and A^2=k A , then write the value of k

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  16. Find the points on the line (x+2)/3=(y+1)/2=(z-3)/2\ at a distance ...

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  17. Evaluate: int(x^4\ dx)/((x-1)(x^2+1))

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  18. If y=cos^(-1)((3x+4\ sqrt(1-x^2))/5), find(dy)/(dx)

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  19. Evaluate the following: int1^2(5x^2)/(x^2+4x+3)\ dx

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  20. If y=e^(asin^(-1)x)\ ,\ -1\ lt=x\ lt=1, then show that (1-x^2)\ (d^...

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