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Find the mean number of heads in three t...

Find the mean number of heads in three tosses of a fair coin.

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    XII BOARD PREVIOUS YEAR PAPER ENGLISH|Exercise All Questions|19 Videos

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XII BOARD PREVIOUS YEAR PAPER ENGLISH-BOARD PAPER SOLUTIONS-All Questions
  1. A window is in the form of a rectangle surmounted by a semi-circula...

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  2. Using the method of integration find the area of the region bounded b...

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  3. Find the mean number of heads in three tosses of a fair coin.

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  4. The lengths of the sides of an isosceles triangle are 9+x^2,9+x^2 and ...

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  5. If vectors vec a=2 hat i+2 hat j+3 hat k ,\ vec b=- hat i+2 hat j+ h...

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  6. Find the shortest distance between the lines: vec r=6 hat i+2 hat j+2...

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  7. Find the coordinates of the point where the line through (3, –4, –5)...

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  8. Show that the function f(x)=|x-3|,\ x in \R , is continuous but not ...

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  9. If A=[[2,-3,5],[3,2,-4],[1,1,-2]], find A^(-1). Using A^(-1) solve the...

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  10. Find the shortest distance between the following pair of lines and ...

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  11. Let vec a= hat i-\ hat j ,\ vec b=3 hat j-\ hat k and vec c=7 hat...

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  12. A company manufactures two types of toys A and B. A toy of type A requ...

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  13. An experiment succeeds twice as often as it fails. Find the probabi...

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  14. Assume that the chances of a patient having a heart attack is 40%. ...

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  15. If x=asint\ and y=a(cost+logtan(t/2)) , find (d^2\ y)/(dx^2)

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  16. A manufacturer produces nuts and bolts. It takes 1 hour of work on m...

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  17. Of the students in a college, it is known that 60% reside in hostel...

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  18. Using the method of integration, find the area of the region bounde...

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  19. Using properties of determinants, prove that |(b+c,q+r,y+z),(c+a,r+p,z...

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  20. Find the equation of the plane determined by the points A(3, –1, 2)...

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