This is an example, sorry that this isn’t the exact answer but i hope this helps you:
Ex:
Answer: 4
Step-by-step explanation:
16= 2 * 2 * 2 * 2
24= 2 * 2 * 2 * 3
32= 2 * 2 * 2 * 2 * 2
HCF = 2 * 2 * 2 = 8
Possible common factors are 1,2,4,8
Ratio in which flowers to be used 16:24 :32
= 2 : 3 : 4
4 possible arrangement
Orange. White. Baloon
2. 3. 4
4 6. 8
8. 12. 16
16. 24. 32