# Fill in the blanks :

a) The smallest composite number is............

b) $7+0=...........$

c) A fraction is equal to 1 if numerator..............denominator.

d) If two prime numbers are differed by two, they are called..........

e).......... means the comparison of two quantities of the same kind.

**Solution :**

a) The smallest composite number is** 4.**

b) $7+0=7$

c) A fraction is equal to 1 if the numerator** is equal to the **denominator.

d) If two prime numbers are differed by two, they are called **twin primes.**

e) **Ratio** means the comparison of two quantities of the same kind.

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