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प्रश्न
22 men can dig a 27 m long trench in one day. How many men should be employed for digging 135 m long trench of the same type in one day?
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उत्तर
Men: Length trench:: Men : Length of trench
22 : 27 m :: x : 135 m
x = `(22xx135)/27`
= 110 men
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