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If 4-digit numbers greater than 5000 are...

If 4-digit numbers greater than 5000 are randomly formed from the digits 0, 1, 3, 5 and 7 what is the probability of forming a number divisible by 5 when,
i) the digits are repeated ?
ii) the repetition of digits is not allowed ?

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MODERN PUBLICATION-PROBABILITY -EXERCISE
  1. The number lock of a suitcase has 4 wheels, each labelled with ten dig...

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  2. If 4-digit numbers greater than 5000 are randomly formed from the digi...

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  3. If 4-digit numbers greater than 5000 are randomly formed from the digi...

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  4. From the employees of a company, 5 persons are selected to represent t...

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  5. On her vacations Veena visits four Cities (A, B,C and D) in a random o...

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  6. On her vacations Veena visits four Cities (A, B,C and D) in a random o...

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  7. On her vacations Veena visits four Cities (A, B,C and D) in a random o...

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  8. On her vacations Veena visits four Cities (A, B,C and D) in a random o...

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  9. On her vacations Veena visits four Cities (A, B,C and D) in a random o...

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  10. In a relay race, there are five teams, A, B, C, D and E. What is the p...

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  11. In a relay race, there are five teams, A, B, C, D and E. What is the p...

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  12. lim(x rarr -1) [1+x+x^2+.....+x^10] is :

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  13. lim(x rarr 3)[x(x +1) ] is :

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  14. lim(x rarr 1)[x^3-x^2+1] is :

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  15. When a coin is tossed three times, the number of possible outcomes is ...

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  16. When a coin is tossed two times, the number of possible outcomes is :

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  17. lim(x rarr 0) ((x+1)^5-1)/x is :

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  18. lim(x rarr 2) (3x^2-x-10)/(x^2-4) is :

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  19. lim(x rarr 1)(ax^(2)+bx+c)/(cx^(2)+bx+a), a+b+c ne 0 is :

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  20. Evaluate : lim(x rarr 0)(sin ax)/(sin bx), a,b ne 0 .

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