Percentage -wise disribution of the number of mobile phones sold by a shopkeeper during six months

What is the ratio of the number of mobile phones sold of company B during July to those sold during December of the same company ?

Options

A. `119:145`
B. `116:135`
C. `119:135`
D. `119:130`

Answer

C

Explanation

Total number of mobiles sold in the month of July
`=4500xx(17)/(100)=7650`
Mobiles phones sold by Company B in the month of July =`7650xx(7)/(15)=3570`
Total numbers or mobile phones sold in the month of December `=4500xx(16)/(100)=7200`
Mobile Phones sold by Company B in the month of Decmber `=7200xx(9)/(16)=4050`
`:.` Required ratio
`=(3570)/(4050)=(357)/(135)=(119)/(135)=119:135`