If there is a reduction in the number of workers in a factory

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If there is a reduction in the number of workers in a factory in the ratio 15 : 11 and an increment in their wages in the ratio 22 : 25, then the ratio by which the total wages of the workers should be decreased is

1. 6 : 5
2. 5 : 6
3. 3 : 7
4. 3 :5

Correct Option: A

Using Rule 25,
Required ratio
= 15 × 22 : 11 × 25 = 6 : 5