3 men and 4 women can earn Rs. 3780 in 7 days. 11 men and 13 women can earn Rs. 15040 in 8 days. In what time will 7 men and 9 women earn R. 12400?

3 men and 4 boys can earn Rs 756 in 7 days. 11 men and 13 boys can earn Rs 3008 in 8 days. In what time will 7 men with 9 boys earn Rs 2480? (a) 8 days (b) 9 days (c) 10 days (d) 11 days

If 5 men or 7 women can earn Rs. 5,250 per day, how much would 7 men and 13 women earn per day?

If 10 men or 5 women can earn Rs. 52,400 per day, how much would 7 men and 13 women earn per day ?

18 men can earn Rs. 360 in 5 days . How much money will 15 men earn in 9 days ?

One man and 7 women can complete a job in 16 days. 19 men and 10 women can complete it in 3 days. Find the time in which 6 men and 6 women can complete it ( in days)