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Each coeffecient in equation ax^2+bx+c=0...

Each coeffecient in equation `ax^2+bx+c=0` is obtained by throwing an ordinary die.Find the probability that the equation has real roots.

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CHETANA PUBLICATION-Probability-EXERCISE
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  2. Six faces of a die are printed with letters A, B, C, D, E, A. If the d...

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  3. Basketball players John,Vasim,Akash were practising the ball drop in t...

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  4. Length and Breadth of a rectangular garden are 77m and 50 m.There is a...

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  5. A card is drawm at random from apack of well shuffled 52 playing cards...

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  6. If two coins are tossed,Find the probability of the following events:(...

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  7. There are 15 tickets in a box,each bearing one of the numbers from 1 t...

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  8. In a hockey team there are 6 defenders,4 offenders and 1 goalee.Out of...

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  9. A bag contains 3 red,3 white and 3 green balls.One ball is taken out o...

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  10. If two dice are rolled simultaeneously,find the probability of the fol...

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  11. Two customers Sumit and Amit are visiting a particular shop in the sam...

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  12. Two customers Sumit and Amit are visiting a particular shop in the sam...

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  13. Two customers Sumit and Amit are visiting a particular shop in the sam...

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  14. What is the probability that an ordinary year has 53 sundays?

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  15. Find the probability that a leap year selected at random will have 53 ...

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  16. A missing helicopter is reported to have crashed somewhere in the rect...

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  17. Each coeffecient in equation ax^2+bx+c=0 is obtained by throwing an or...

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  18. A box contains 12 balls, out of which x are black. If one ball is draw...

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  19. A box contains 12 balls, out of which x are black. If 6 more black bal...

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  20. A dart thrown lands in interior of circle of radius 1 feet. What is th...

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