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