Question

3. Write all the factors of the following numbers
(a) 24 (b) 15 (c) 21
(d) 27 (e) 12 (1) 20
(g) 18 (h) 23 (1) 36
4. Write first five multiples of: (a) 5 (b) 8 (c) 9
5. Find all the multiples of 9 upto 100
.​

Answer 1

• 24- 1 , 2 , 3 , 8 , 12 , 24
• 15- 1 ,3 , 5 , 15
• 21- 1 , 3 , 7 , 21
• 27- 1 , 3 , 9 , 27
• 12- 1 ,2,3,4,6,12
• 20- 1,2,4,5,10,20
• 18- 1,2,3,6,9,18
• 23-1,23
• 36- 1,2,3,4,6,8,12,18,36
• first five multiple
• 5- 5,10,15,20,25
• 8- 8,16,24,32,40
• 9- 9,18,27,36,45
• 5 ) sol
• 9,18,27,36,45,54,63,72,81,90,99