if there is a reduction in the number of workers in a factory in the ratio 7 : 3 and an increment in the wages in the ratio 11 : 15, then the ratio of total wages of the workers decreases by what ratio?
Answer & explanation
Correct answer: option 3
Change in number of workers 7 : 3
Change in individual wages 11 : 15
Ratio of total wages = 7 x 11 : 3 x 15 = 77 : 45