A boat covered a total distance of 2500 km over three days. The ratio of the distance travelled upstream to the distance travelled downstream was 3:2. Over these three days, a total of 3200 passengers travelled on the boat, with the ratio of male to female passengers being 5:3.

On Day 1, the boat travelled 20% of the total upstream distance and 40% of the total downstream distance. On this day, 35% of all male passengers and 50% of all female passengers were on board.

On Day 2, the boat covered 40% of the total upstream distance and 25% of the total downstream distance. The proportion of passengers on this day included 40% of all male passengers and 25% of all female passengers.

Some passengers travelled on multiple days 24 male and 34 female passengers travelled on both Day 1 and Day 2 (excluding Day 3). 20 male and 22 female passengers travelled on both Day 2 and Day 3 (excluding Day 1).16 male and 40 female passengers travelled on both Day 3 and Day 1 (excluding Day 2). 13 male and 9 female passengers travelled on all three days.