Page 9 - Digi notes maths

www.mahendraguru.com


S   2, 3, 4, 5,  6  n   6
1,
s
3,
1. P(Number multiple of 3  n   6  2  1
)
n   s 6 3
2. P(Number multiple of 3 and 2  n   6  1
)
n   s 6
2,
)
3. P(Number multiple of 3 or 2  n  4, 3,  6  4  2
n   s 6 3
2,
4. P(An eve n Number)  n  4,  6  3  1
n   s 6 2
1,
5. P(An odd Number)  n  3,  5  3  1
n   s 6 2
2,
6. P(A Prime number )  n  3,  5  3  1
n   s 6 2
1,
7. P(A natu ral Number )  n  2, 3, 4, 5,  6  6  1
n   s 6

7. P(A frac tional Num ber)  n    0  0
n   s 6

4. Two fair dice are thrown simultaneously at random. What is

the probability of getting:

1) A doublet.

2) A doublet of even numbers

3) A multiple of 2 on one and a multiple of 5 on the other.

4) An even number on one and a multiple of 4 on the other.

Page 9 of 20
www.mahendraguru.com