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Suppose a girl throws a die. If she gets...

Suppose a girl throws a die. If she gets 1 or 2 , she tosses a coin three times and notes the number of tails. If she gets 3,4,5 or 6, she tosses the coin once and notes whether 'head' or 'tail' is obtained. If she obtained exactly one 'tail', what is the probability that she threw 3,4,5,or 6 with the die

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Suppose a girl throws a dice. If she gets 5 or 6 she tosses a coin three times and note the number of tails. If she gets 1,2,3 or 4, she tossed a coin once and notes whether a head or tails is obtained. If she is obtained exactly one tail, what is the probability that she threw 1,2,3 or 4 with the dice?

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XII BOARDS PREVIOUS YEAR-XII Boards-All Questions
  1. Let vec a=4hati+5hatj-hatk, vecb = hati -4hatj+5hatk and vec c=3hati+h...

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  2. Shortest distance between the lines:vecr=(4hati-hatj)+lambda(hati+2hat...

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  3. Suppose a girl throws a die. If she gets 1 or 2 , she tosses a coin th...

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  4. If A=((2,-3,5),(3,2,-4),(1,1,-2)) find A^(-1). Use it to solve the sys...

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  5. Two numbers are selected at random(without replacement) from the first...

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  6. Using elementary row transformations, find the inverse of the matrix A...

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  7. Let A={x in Z:0 le x le 12}. Show that R={(a,b):a,b in A,|a-b| is divi...

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  8. Show that the function f:R->R defined by f(x)=x/(x^2+1) AA x in R is n...

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  9. If an operation ** on the set of integers Z is defined by a**b=2a^2+b ...

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  10. Find the equation of the plane passing through the point <math> <mr...

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  11. If A is a square matrix of order 2 and |A|=4, then find the value of |...

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  12. Solve the following differential equation: x[dy]/[dx]sin(y/x)+x-ysin...

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  13. Four cards are drawn one by one with replacement from a well-shuffled ...

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  14. int1^5(|x-1|+|x-2|+|x-4|)\ dx

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  15. Find the particular solution of the differential equation: (1+e^2x)dy+...

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  16. The probability of two students A and B coming to school are 2/7 and 4...

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  17. If y=(sinx)^x+sin^(-1)sqrt(1-x^2) then find (dy)/(dx)

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  18. If x,y,z are different and Delta=|[x,x^2,x^3-1],[y,y^2,y^3-1],[z,z^2,z...

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  19. Find the value of (x-y) from the matrix equation 2[(x,5),(7,y-3)]+[(-...

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  20. int cos2x*cos4x*cos6x dx

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