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Fill in the blanks If 42 men can dig a t...

Fill in the blanks
If 42 men can dig a trench in 14 days,then 1 man can dig it in …..days.
If 15 oranges cost Rs 60,then 12 oranges cost Rs……..
If 10 metres of a uniform rod weighs 18 kg.then the weight of 6 metres of the rod is….kg.
If 12 workers finish a piece of work in 4 hours. Then 15 workers will finish it in ….hrs….min.

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