Question

Solution
2 is the smallest even prime number.
9 is the smallest odd composite number.
6
(c) 50
(g) 343
7.
(d) 70 and 150
Exercise 3.2
1. Which of the following numbers are even and odd?
(a) 12
(b) 31
(d) 64
(e) 77
(f) 116
(h) 562
2. Write all the prime numbers between the following:
(a) 10 and 20
(b) 30 and 50
(c) 90 and 100
3. Write all prime and composite numbers less than 50.
What are twin primes? Write all pairs of twin primes between 50 and 100.
What are co-primes? Are co-primes always prime numbers? If not then illustrate your ans
example.
6. Express each of the following numbers as the sum of two odd primes:
(a) 42
(b) 60
(c) 84
(d) 98
7. Express each of the following numbers as the sum of three odd primes :
(a) 49
(b) 63
(c) 71
(d) 97
8. Express each of the following numbers as the sum of twin primes:
(a) 8
(b) 24
(c) 84
Divisibility Test
X
8
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Answer 1

Answer:

it is solution of which question???