ECAT Mathematics Permutations Combinations and Probability Online Test

Mathematics Permutations Combinations and Probability MCQS Online Test

ECAT Math Permutations Combinations and Probability Online Test

Total Questions: 74
Time Allowed: 40 Minutes
Total Marks: 74
How to Attempt Test: Please choose the right Option in MCQ-type question.
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ECAT Math Permutations Combinations and Probability Chapter Online Test

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Math

1.

2. Two balanced dice are tossed once, the sample space when the integers on the faces of two dice are the same is

3. The probability that a 3 – digit no. chosen at random divisible by 5 is

4. From a group of 5 men and 3 women, a committee of 4 persons is to be selected randomly. The probability that there is a majority of men is

5. An arrangement of a finite number of objects taken some or all at a time is called their

6. ⁴C₄ = ?

7. A number is selected at random form the three digit numbers, the probability that the number is divisible by 4 is

8. If ⁿC₁₂ = ⁿC₆ the value of n is

9. Two cards are drawn at random from a well shuffled pack of cards. The probability that at least one of them is a face card is

10. If A and Bare mutually exclusive then P(AUB) = ?

11. Two dice are thrown simultaneously find the probability that the sum of the dots of the dice is a prime no?

12. There are 25 tickets bearing numbers from 1 to 25. One ticket is drawn at random. The probability that the number on it is a multiple of 5 or 6 is

13. What is the probability to get a block jack from a well shuffled pack of playing cards?

14. The value of ⁵C₂ is

15. Three unbiased coins are tossed. Then the probabilities of getting two heads is

16. 8.7.6/3.2.1 =

17. If n is any positive integer, then

18. The letters of the JUNE taken all a t a time can be written in

19. Six boys and 3 girls are to be seated at random, in a row, for a photograph. The probability that no two girls will sit together is

20. A die is rolled, what is the probability of getting a number which is even and greater than 2?

21. An unbiased die is thrown. Then the probability of getting a prime is

22. The letters of the CHORD taken all at a time can be written in

23. The number of words that can be formed out of the letters of the word PHYSICS is

24. If probability of bulb being defective is 0.2. estimate how many defective bulb there would be in 600 bulbs

25. The number of words that can be formed out of the letters of the word MURREE is


 

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7 Comments

  1. whats the right answer for this mcq’s arrangment of fintite number of objects taken some or all the time??? i have confusion with this

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