What does this below rebus puzzle mean?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

A tourist visits a small town for his research. While in the town, he decides to get a haircut. Since the town is quite small, there are only two barbers in the town � one on the North Street and one on the South Street. The barbershop on the North Street is a mess and the barber has a weird and pathetic haircut. While the barbershop at the South Street is pretty tidy and the barber as well has an impressive haircut.

Which barbershop will the tourist visit for his haircut and why?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

A blonde put eyeliner on her head. Why?

What runs around the whole yard without moving?