How many  will make one rupee?
Is 50 paise half of one rupee?
How many will make one rupee?

25 paise is _________ part of one rupee
20 paise is _________ part of one rupee
How many 10 paise will make one rupee?
So 10 paise is ________ part of one rupee.

We know that,

One rupee = 100 paise
Number of 50 paise coins in one rupee = 100 ÷ 50
                                                               = 2

So, two 50 paise coin will make one rupee.

There are two 50 paise coin in one rupee. So, 50 paise is half of one rupee.

We know that,
100 paise = Re 1
Number of 25 paise in one rupee = 100 ÷ 25
                                                      = 4
So, four 25 paise coins will make 1 rupee.

We know that, four 25 paise coins will make 1 rupee.
So,25 paise is one-fourth part of one rupee.

Number of 20 paise coin in one rupee = 100 ÷ 20
                                                              = 5

There are five 20 paise coin in one rupee. So, 20 paise is one-fifth part of one rupee.

Number of 10 paise coin in one rupee = 100 ÷ 10
                                                              = 10
Ten 10 paise coin will make one rupee.

So 10 paise is one-tenth part of one rupee.