Question

how to insert three rational number between 3 and 5

Answer 1

3 rational numbers between 3 and 5
Step 1:   multiply and divided by 10 on both the numbers
                              3 x 10             5 x 10
                                  10                  10

                      =    30/10              50/10
Step 2
Now we can select any any three numbers between them
                  30/10,  31/10,  32/10,  33/10, ......... , 49/10, 50/10

Answer 2

Hey friend
We have Lots of method for this question..
1. We know some no.s between 3 to 5 ..
3.5 , 4 , 4.5
35/10 , 4 , 45/10
7/2 , 4 , 9/2

2. ( 5-3) - 1 = 1 ..(gap)
We need 3 gap between these number ..
3 = 6/2
5= 10/2
6/2 to 10/2 numbers
7/2 , 8/2 , 9/2
7/2 , 4, 9/2
If he ask for 5 numbers
3 = 9/3
5 = 15/3
Number which lies between
10/3 , 11/3 , 12/3, 13/3, 14/3
10/3 , 11/3 , 4, 13/3 , 14/3

Now you can find as many rational numbers between any numbers
Hope it will help !!