Question

... The of a EXERCISE 7.2 1. Write down all prime numbers less than 30. 2. Write down all prime numbers between 75 and 100. 3. Write down all the composite numbers between 20 and 30. 4. Which of the following numbers are primes and which are composite? - The The co Now 101, 102, 105, 109, 112, 113, 120, 121, 123, 127, 131. numbers are possible? 5. Give two prime numbers whose difference is 3. 6. Write two numbers which are prime as well as odd. The 7. Write two pairs of prime numbers which differ by 2. The 8. Express 32 as a sum of two prime numbers. How many pairs of such 9. Write the smallest prime number greater than each of the following number 3, 8, 25, 39, 55, 77, 84, 90. 10. Write the greatest prime number less than each of the following numbers EX 5, 13, 22, 49, 55, 70, 88, 100. II. Which of the following numbers are even and which are odd? 25, 32, 44, 49, 64, 65, 377, 181, 292, 499, 1041, 90926. 12. Find the smallest number that should be subtracted from an odd numbers make it even. 13. Without adding, tell whether the sum will be even or odd: (a) 44 + 86 (b) 43 + 78 (c) 123 + 345 (c (d) 784 + 504 S COMMON FACTORS​

Answer 1

Answer:

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Answer 2

Answer:

oo my god what a lengthy question!