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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