(1). 10 men are working to complete a work in 25 days. After 10 days 25 women are accompanied by them to complete the work in next 10 days. In how many days 50 women can complete the whole work?

• (a). 10days
• (b). 15 days
• (c). 20 days
• (d). 25 days
• (e). None of these