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2 |
In a simultaneous throw of two dice, The probability of getting a total of 7 is: |
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3 |
If S is a sample space and event E is S then P(E) is: |
- A. 0
- B. 1
- C. >1
- D. none
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4 |
Number of ways of arranging 5 keys in a circular ring is: |
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5 |
In how many ways two places can be filled by n objects: |
- A. n(n-1)
- B. 2!
- C. n(n+1)
- D. None
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6 |
How many different number can be formed by taking 4 out of the six digits 1, 2, 3, 4, 5, 6: |
- A. 360
- B. 120
- C. 366
- D. none of these
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7 |
If <sup>n</sup>P<sub>2</sub> = 30 then n = : |
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8 |
A die is rolled. The probability that the dots on the top are greater than 4 is: |
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9 |
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10 |
No. of signals made by 4 flags of different colors using 2 flags at a time: |
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