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Test Series-18





Instructions

  • Your test contains 10 multiple choice questions with only one answer
  • This is 30 min test.Please make sure you complete it in stipulated time
  • You can Finish this test any time using 'Submit' button.
  • Once finished you get a chance to review all question with correct answers and their solutions.


1.What is the probability of an impossible event?
    1
    0
    .5
    cannot be determined

2) A coin is tossed twice,what is the probability of getting atleast one tail
   1/2
    3/4
   1/3
   None of these


3.An unbiased dice is tossed,which of these is false

    Probability of getting number greater than 6 is zero
    Probability of getting prime number is 1/2
    Probability of getting number greater than 4 is 1/3
   None of these

4. Find the probability of getting 53 Fridays in a leap year. ?

    1/3
    1/7
    2/7
    None of these

5. A die is thrown twice. Find the probability of getting doublet?
   1/2
   1/6
   1/4
   None of these

6. The probability of getting defective bulb in a lot of 400 is 0.2 Then find the no. of defective bulb in the lot?
   20
   30
   60
   80

7.A bag contain 1 black, 2 red and 3 white balls. A ball is drawn from the bag at random. Find the probability that the ball drawn is black??
    1/6
    2/3
    1/5
    None of these

8.A box contains 10 balls numbered from 1 to 10. A ball is picked from the box,What is the probability of getting perfect square number
    1/10
   2/5
   3/10
   none of these

9.A letter is choosen from word ASSIGNMENTS, what is the probability of getting a vowel?
   1/10
   3/11
   1/5
   None of these

10.100 tickets of a lottery were sold and there are five prizes in the lottery. If Lalit has purchased one ticket, what is the probability of his winning a prize?
    1/100
    1/20
    2/5
    none of these


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