Question
A reduction in number of workers in the ratio of 9 : 13
and an increment of wages in the ratio 23 : 21, then the total wage is increased by?Solution
∴ The ratio of total wages before increment & after increment= 9 × 23 : 13 × 21 = 207 : 273 = 69 : 91 So required % increase = (91-69)`xx` 100/69 = 2200/69 =31.88% =Approx. 32%
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