Statistics & Probability (IMO Mathematics Olympiad Class 10): Questions 42  47 of 80
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Question number: 42
» Statistics & Probability
Question
Two dice are thrown simultaneously. The probability of getting a doublet or a total of 8 is ________
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Choice (4)  Response  

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Question number: 43
» Statistics & Probability
Question
When two dice are thrown, the probability of getting a prime number as the sum is ________
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Question number: 44
» Statistics & Probability
Question
A card is drawn from a wellshuffled pack of 52 cards. The probability that the card neither a black card nor a king is ________
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Question number: 45
» Statistics & Probability
Question
A bag contains 6 blue and 4 green marbles. If a marble is drawn at random from the bag, the probability that the marble drawn is green, is ________
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Question number: 46
» Statistics & Probability
Question
The average of 15 results is 50. If the average of the first seven results is 82 and that of the last seven is 92, then the seventh result is ________
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Choice (4)  Response  

a.  468 

b.  488 

c.  466 

d.  486 

Question number: 47
» Statistics & Probability
Question
The average temperatures of Monday, Tuesday, Wednesday and Thursday was. The average temperature of Tuesday, Wednesday, Thursday and Friday was . If the temperature on Monday was, then the temperature on Friday was ________.
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