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In a multiple choice question, there are...

In a multiple choice question, there are five alternative answers of which one or more than one are correct. A candidate will get marks on the question, if he ticks all the correct answers. If he decides to tick answer all random, then the least number of choices should he be allowed, so that the probability of his getting marks on the question exceeds `(1)/(8)` is

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A DAS GUPTA-Elementary Probability-Exercise
  1. In a multiple choice question, there are five alternative answers of w...

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  2. A has 3 shares in a lottery containing 3 prizes and 9 blanks, B has 2 ...

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  3. Three dice are thrown, the numbers appearing on them are respectively ...

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  4. Statement-1: Out of 21 tickets with number 1 to 21, 3 tickets are draw...

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  5. A box contains 2 fifty paise coins, 5 twenty five paise coins and a ce...

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  6. The digits 1,2,3,4,5,6,7,8 and 9 are written in random order to form a...

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  7. A bag contains 36 tickets, numbered from 0 to 35. Three of the tickets...

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  8. A four-letter word is written down by taking letters from the word KAN...

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  9. A card is drawn from a pack of 52 playing cards. The card is replaced ...

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  10. A word of 5 letters is written down at random with the letters of the ...

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  11. Six different balls are put in three different boxes, no box being emp...

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  12. A number of six digits is written down at random. Find the probability...

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  13. A bag contains 6 coupons numbered 1, 2, 3, 4, 5 and 6. Five coupons ar...

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  14. Let X = { x|1 le x le 50, x in N }. A member of the set X is selected ...

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  15. A bag has 10 balls. Six ball are drawn in an attempt and replaced. The...

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  16. A question paper is split in two group - A and B. The group A contains...

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  17. A coin is tossed 5 times. What is the probability that head appears an...

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  18. A dice is thrown six times, it being known that each time a different ...

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  19. Aa n dB are two candidates seeking admission in ITT. The probabilit...

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  20. A man and a woman appear in an interview for two vacancies in the s...

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  21. A man and a woman appear in an interview for two vacancies in the s...

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