Page 10 - Digi notes maths

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        615141312111 ,, , , , , , , , , , , 
 
        625242322212 ,, , , , , , , , , , , 


S          635343332313 ,, , , , , , , , , , ,   n   36s


        645444342414 ,, , , , , , , , , , , 
        655545352515 ,, , , , , , , , , , , 
 
        665646362616 ,, , , , , , , , , ,  , 

      
1. P Doublet   n  11 ,, 2, 2 , 3, 3 , 4, 4 , 5, 5 , 6, 6  6  1
n   s 36 6
   
2. P Doublet of even numb ers   n  22, , 4, 4 , 6, 6  3  1
n   s 6 2
6
3. P Multiple o f 2 on one an d a mutipl e of 5 on other    n   10252 ,, ,   10454 ,,, n   s ,   10656 ,,, ,   36  1
6
   
4. P An even nu mber on on e and a mu ltiple of 4 on the ot her   n  42, , 4, 4 , 6, 4  3  1
n   s 36 12
5. Two fair dice are thrown simultaneously at random. What is the

probability that the sum of the number appearing on the dice is:

1) 5.

2) 3or 7.

3) Less than 6.

4) Even.

5) Odd.

6) Prime.

7) A multiple of 5

8) A multiple of 3 and 5.

9) A multiple of 3 or 5.

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