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## 4-digit number

How many 4-digit numbers are there with no digit repeated? Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)
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## Probability of Positive Integers being Coprime !

What is the probability that six randomly chosen positive integers are relatively prime ? Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)

## Probability of a fisherman

Every day a fisherman can choose to fish at sea, by a river, or at a lake. The probability that he fishes at sea, by the river, and at...
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## Probability- Even numbers greater than 5000

How many even numbers greater than 5000 can be formed using the digits 1,2,4,5,6. No digits used more than once. Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)
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## probability

A dice is rolled twice . What is the probability of getting a sum equal to 9? a) 2/9                 b) 2/3...
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## Probability

A box contains 20 balls out of which 12 are red and 8 are green . 5 balls are randomly drawn from the box with replacement . What is...
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## Probability

For two events    A  and    B ,  P(A) = , P(B) = and  P(AUB) = .  Find   (1)  P(A/B)        ...
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## Probability

Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)
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## Probability

Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)
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## Probability

If the odds in favour of an event be 3/5 , find the probability of the occurence of the event? Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)
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## Probability

Two cards are drawn at random from a pack of 52 cards. What is the probability that both the drawn cards are aces? Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)
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## percentage

The true discount on Rs. 2562 due 4 months hence is Rs. 122. The rate percent is: a. 12 % b. % c. 14% d. 15% Rate...
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## probability of kings

From a pack of 52 cards, two cards are drawn together at random. What is the probability of both the cards being kings?   a. b. c. d. ...
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## contest R2 Q12

When flipping an unbiased cin determine the probability that i> at least three trials are necessary to observe a head ii> at most three trials are necessary to observe...
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## contest R2 Q9

Given the above condition find a:b Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)
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## questio

What is the probability that the sum of two different numbers randomly picked (without replacement) from the set S = {1, 2, 3, 4} is 5? Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)
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## contest Question-9

The ratio of the number of red balls, to yellow balls, to green balls in a urn is 2 : 3 : 4. What is the probability that a...
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