40 men can complete a work in 18 days. Eight days after they started working together, 10 more men Joined them . How many days will they now take to complete the remaining work ?

40 men can complete a work in 18 days. Eight days after they started working together, 10 more men Joined them . How many days will they now take to complete the remaining work ?
1). 6
2). 8
3). 10
4). 12

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