What is the respective ratio between number of Redmi cellular phones sold by stor S and total number of Samsung cellular phones sold by stores T and U together ?

Options

A. `43:72`
B. `49:76`
C. `43:76`
D. None of these

Explanation

Accroding to given information,

Total number of 11200

Number of Redmi phones sold by store S = 4688(approx)
Total number of Samsung phones sold by store `=(4)/(5)xx(20)/(100)xx11200=1792`
Total Number of Samsung phones sold by store U
`=(10)/(21)xx(12)/(100)xx11200=640`
`:.` Required ratio
`=1688:(1792+640)`
`=16:2432=211:304`