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Read the information and answer the following question. There are three shops A, B, and C that sold wired and wireless chargers. The number of wired chargers sold by A is 10x, and the ratio of wired chargers to wireless chargers in A is 10:9. The total number of wireless chargers sold by all the shops is 146. B sold (12.5x + 10) wireless chargers, whereas shop C sold 10 wireless chargers less than B. The total number of chargers sold by B and C is 125 and 167 respectively. Q51. Find the ratio of wireless chargers sold by B to wired chargers sold by A.

1. 5:1
2. 3:2
3. 1:2
4. 2:3

Correct answer: 3:2

Solution

The question is a ratio-based caselet. Shop A’s wired sales are given as 10x, and the required comparison is between B’s wireless sales and A’s wired sales. Using the total wireless information and the shop-wise totals, the values simplify to a ratio of 3:2.

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