JEE MATHS UNIT 13
QUIZ NO 3
TOTAL QUESTIONS = 20
1. The probability of drawing an ace from a standard deck of 52 cards is
A. 1/52
B. 4/52
C. 1/13
D. 1/26
2. The mean of the numbers 5, 10, 15, 20, 25 is
A. 10
B. 15
C. 20
D. 12.5
3. The variance of the data 1, 2, 3, 4, 5 is
A. 2
B. 2.5
C. 3
D. 1.5
4. The probability of getting an even number when a die is rolled is
A. 1/2
B. 1/3
C. 2/3
D. 1/6
5. The standard deviation of the data 6, 8, 10, 12, 14 is
A. 2
B. 3
C. 4
D. 1.5
6. The range of the data 3, 8, 12, 15, 18 is
A. 15
B. 16
C. 12
D. 14
7. The probability of selecting a heart from a standard deck of 52 cards is
A. 1/4
B. 1/13
C. 1/3
D. 1/2
8. If P(A) = 0.3, P(B) = 0.6, and P(A ∩ B) = 0.2, then P(A ∪ B) is
A. 0.7
B. 0.6
C. 0.9
D. 1.0
9. The mode of the data 4, 5, 5, 7, 8, 8, 8, 9 is
A. 4
B. 5
C. 8
D. 7
10. The number of ways to arrange the letters in the word "NEET" is
A. 4!
B. 24
C. 12
D. 6
11. The probability of getting at least one 6 when two dice are rolled is
A. 11/36
B. 25/36
C. 1/6
D. 5/36
12. The mean of the squares of the first 5 natural numbers is
A. 11
B. 15
C. 13
D. 10
13. The probability of getting a tail when a coin is tossed is
A. 1/2
B. 1/3
C. 1/4
D. 3/4
14. The probability of selecting a king or a diamond from a standard deck is
A. 4/13
B. 1/13
C. 2/13
D. 3/13
15. The number of ways of selecting 2 cards from a deck of 52 cards is
A. 1326
B. 2600
C. 52
D. 26
16. If the median of the data 3, 5, 7, x, 11 is 7, then x is
A. 6
B. 7
C. 8
D. 9
17. The standard deviation of the data 2, 4, 6, 8, 10 is
A. 2.83
B. 3.16
C. 4
D. 2
18. The variance of the data 10, 20, 30, 40, 50 is
A. 200
B. 300
C. 250
D. 150
19. The probability of selecting a vowel from the English alphabet is
A. 5/26
B. 4/26
C. 6/26
D. 7/26
20. The median of the dataset 2, 3, 6, 8, 10, 12 is
A. 6
B. 8
C. 7
D. 9
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