Question : A man and a woman can finish a work together in half the time taken by a woman and a boy together. A boy can finish the work alone in 20 days and 2 women together can finish it in 30 days. In how many days will the work be finished by 4 men?

Question : 4 men’s work is equal to 6 women’s work and 4 women’s work is equal to 6 boy's work. A boy can finish the work in 60 days. In how many days can the work be finished by a man and a woman together?

Question : 4 women or 6 boys can finish a work in the same number of days. A boy can finish it in 60 days. In how many days can 5 women finish the work, working together every day?

Question : A man is twice as fast as a woman and twice as fast as a boy at doing work. If all of them a man, a woman, and a boy can finish the work in 7 days, in how many days will a boy do it alone?

Question : 2 men can finish a work in 6 days and 3 women can finish the same work in 4 days. How many days will 1 man and 2 women finish the work if they work together daily?