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प्रश्न
In a factory, 60% of the workers are above 30 yr and of these 75 % are males and the rest are females. If there are 1350 male workers above 30 yr, the total number of workers in the factory is
पर्याय
3000
2000
1800
1500
MCQ
उत्तर
3000
Explanation :
Let the total number of workers be x.
∴ x `xx60/100xx75/100=1350`
⇒ x `=(1350xx100xx100)/(60xx75)=3000`
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Percentage, Discount and Partnership (Entrance Exam)
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