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If the letters of the word 'QUESTION' ar...

If the letters of the word 'QUESTION' are arranged at random. What is the probability that there are exactly two letters between Q and U.

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The correct Answer is:
`(5)/(28)`
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AAKASH SERIES-PROBABILITY-Additional Solved Example
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  2. A natural number x is chosen at random from the first 100 natural numb...

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  3. If the letters of the word 'QUESTION' are arranged at random. What is ...

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  4. A is a set containing 'n' elements . A subset P of A is chosen at rand...

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  5. Let F be the set of all 4 digited numbers whose sum is 34. If a number...

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  6. Two numbers are selected at random from 1,2,3,……100 and multiplied. Fi...

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  7. A car is parked among 'N' cars in a row, not at either end. On his ret...

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  8. Two squares are chosen at random from the small squares on a chess boa...

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  9. If p and q are chosen at random from the set {1,2,3,4,5,6,7,8,9,10} wi...

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  10. There are 100 stations between two stations A and B. A train is to sto...

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  11. From a heap containing 10 pairs of shoes 6 shoes are selected at rando...

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  12. (i) Twelve balls are distributed at random among three boxes what is t...

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  13. Out of 3n consecutive integers, three are selected at random. Show tha...

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  14. Two numbers X and Y are chosen at random from the set {1,2,……3n} . Fin...

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  15. If three dice are rolled. Find the probability of getting sum 16 or ge...

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  16. A number is chosen from the first 100 natural numbers. Find the probab...

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  17. A box contains 2 red, 3 blue and 4 black balls. Three balls are drawn ...

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  18. A contractor submitted tenders for 2 works. If 0.4,0.6,0.1 are the res...

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  19. If A,B and C are mutually exclusive and exhaustive events such that P(...

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  20. A die is loaded so that six turns up twice as often as one and three t...

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