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. ⁶P₃ =

2. ⁴C₄ has the value equal to

3.

4. The value of n, when ⁿP₂ = 20 is

5. In different objects can be arranged taken all at a time in

6. If A is an impossible event then P(A) = ?

7. Two unbiased dice are thrown. The probability that the total score is > 5 is

8. The number of words that can be formed out of the letters of the word BANNU is

9. If n (E₁) = 18 and n (E₂) = 6 and n (5) = 36 also E₁ and E₂ are independent then P(E₁ ∩ E₂) = ?

10. The number of significant numbers which can be formed by using any number of the digits 0, 1, 2, 3, 4 but using each not more than once in each number is

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

12. If 4 ⁶Pᵣ = ⁶Pᵣ₊₁, then r is equal to

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

14. ⁿPᵣ = ?

15. n(n–1)/3.2.1 =

16. ⁴C₄ = ?

17. 5 persons can be seated at a round table in

18. 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

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

20. ⁿPᵣ =

21. 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

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 MURREE is

24. A coin is tossed. If head comes up, a die is thrown but if tail comes up, the coin is tossed again. The probability of obtaining a head and an even number is

25. Riaz, Saba, Maria, Shehzad are to give speeches in a class. The teacher can arrange the order of their presentation in


 

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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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