The following table shows the total number of air cooling devices consisting of ACs, Coolers and Fans that were sold by six different stores (A-F), along with the ratio among these devices and the selling price (₹) of these devices per unit. Based on the data in the table, answer the questions that follow.
Store wise details of air cooling devices
| Store | Total Number of Devices Sold | Ratio (AC : Cooler : Fan) | Selling Price AC (₹) | Cooler (₹) | Fan (₹) |
|---|---|---|---|---|---|
| A | 1250 | 4 : 5 : 1 | 14000 | 4000 | 750 |
| B | 450 | 3 : 2 : 4 | 15000 | 4500 | 800 |
| C | 850 | 6 : 4 : 7 | 16000 | 5000 | 850 |
| D | 900 | 4 : 2 : 3 | 17000 | 5500 | 900 |
| E | 1000 | 5 : 1 : 4 | 18000 | 6000 | 950 |
| F | 605 | 2 : 4 : 5 | 19000 | 6500 | 1000 |
What was the ratio between the income generated from the sale of Fans by Store B and Store E ?
A5 : 19
B4 : 13
C8 : 19 ✓ Correct
D7 : 23
Correct answer: (C) 8 : 19
Explanation
Store B sells 200 Fans at 800 each, so its Fan income is 1 lakh 60 thousand. Store E sells 400 Fans at 950 each, so its Fan income is 3 lakh 80 thousand. The ratio is 160000 to 380000, and cancelling the common factor gives 8 to 19. So the answer is the ratio 8 to 19.
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