PRACTICE QUESTIONS_24.04.2017
1. The product of two number is 48 . Their sum is 19. What are the numbers ?
2. Find two numbers whose difference is 2 and product is 24.
3. Find numbers between 1 and 100 having exactly three factors.
4. A number is divisible by both 5 and 12. By which other number will that number be always divisible ?
5. Express each of the following as a roman :-
i) 238 ii) 879 iii) 769 iv) 709
6. Give five example of each
i) Co-primes numbers
ii) Twin primes
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