4 man and 6 women get Rs. 1600/- by doing a piece of work in 5 days, 3 men and 7 women get Rs. 1740/- by doing the same work in 6 days. In how many days 7 men and 6 women can complete the same work getting Rs.3760/-

संबंधित लेखलेखक से और अधिक