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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?
Answer & Solution
Correct Answer:
Option
C
Number of mobile phones sold by B during July
$$\eqalign{ & = 45000\times\frac{17}{100}\times\frac{7}{15} \cr & = 3570 \cr} $$
Number of mobile phones sold by B during December
$$\eqalign{ & = 45000\times\frac{16}{100}\times\frac{9}{16} \cr & = 4050 \cr & \therefore \text{Required ratio} \cr & = \frac{3570}{4050} \cr & = \frac{119}{135} \cr & = 119:135 \cr} $$
$$\eqalign{ & = 45000\times\frac{17}{100}\times\frac{7}{15} \cr & = 3570 \cr} $$
Number of mobile phones sold by B during December
$$\eqalign{ & = 45000\times\frac{16}{100}\times\frac{9}{16} \cr & = 4050 \cr & \therefore \text{Required ratio} \cr & = \frac{3570}{4050} \cr & = \frac{119}{135} \cr & = 119:135 \cr} $$
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