Calendar how to find days after?

If today is Monday, then find the day after 61 days?

If the day after tomorrow is Tuesday what day will two days after the day after tomorrow be?

If the day after tomorrow is Friday, what day will third day after the tomorrow be?

A constrator employed 210 men to build a house in 60 days. After 12 days.he was joined by 70 more men. In how many days will the remaining work be finished? Hint. 210 men can complete the remaning work in 48 days.Find in how many days 280 men can do it.

If the day before yesterday was Friday, what day will two days after the day after tomorrow be ?

If day before yesterday was Friday, what will be the third day after the day-after-tomorrow?

If day before yesterday was Thursday, what day will be four days after tomorrow?