The given below pie chart shows the percentage distribution of daily consumption of quantity of food packets by five different quarantine centres in a city during COVID-19 pandemic.
Total quantity of food packets consumed in a day = 21000
Note - Total quantity of food packet available = Total quantity of food packet consumed + total quantity of unused food packet
If 62.5% of the quantity of food packet available is consumed by all centres, then, find the ratio of quantity of unused food packet to the difference of the quantity of food packet consumed by centre C and B?
1
12 ∶ 5
2
12 ∶ 7
3
8 ∶ 7
4
10 ∶ 7