| No. | Problems & Solutions [Click Hide/Show to display the solutions below the question] |
|---|---|
| 01. |
A bag contains 6 balls numbered 1 to 6 and 2 balls are drawn at random. Find the probability of drawing the balls numbered 1 or 2
Solution
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| 02. |
In a lottery with 30 tickets numbered 1 to 30, two tickets are drawn simultaneously. The probability that none of the two tickets drawn has a prime number is
Solution
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| 03. |
In a lottery of 50 tickets numbered 1 to 50, 2 tickets are drawn simultaneously. Find the probability that both the tickets may have prime numbers or may have composite numbers.
Solution
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| 04. |
If 2 numbers are ordinary selected from 20 consecutive natural numbers, find the probability that the sum of the two numbers is a) an even number b) an odd number
Solution
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| 05. |
A box contains 25 tickets numbered 1 to 25. Two tickets are drawn at random. What is the probability that the product of the numbers is even.
Solution
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| 06. |
Cards are numbered to 1 to 25. Two cards are drawn at random. Find the probability that the number on one card is multiple of 7 and on the other is a multiple of 11.
Solution
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| 07. |
Out of the first 25 natural numbers two are chosen at random. Find the probability for one of the numbers to be a multiple of 3 and the other to be a multiple of 5 is
Solution
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| No. | Problems for Practice |
|---|---|
| 01. |
Out of the first 30 natural numbers two are chosen at random. Find the probability for the sum of the numbers chosen is odd.
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| 02. |
In a lottery with 30 tickets numbered 1 to 30, two tickets are drawn simultaneously. The probability that both the tickets drawn have prime number is
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| Author Credit : The Edifier |
