I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

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?

What question can you never answer yes to?

What is the last thing you take off before bed?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Can you move 2 matchsticks to form four equal sized squares.

Can you decipher the below rebus?

PBLUESAISNUERSES

When does a USA Potato change its nationality?

Buy me, smell me or deliver me, I do not change.

Who am I?

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?