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?

A girl rode into a tourist spot out of the city on Thursday. She loved the place and decided to stay for a few days. She stayed for four days and then she left for back home on Thursday.

How can this be possible?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

Rob is taller than Edwin, and Jurgen is shorter than Rob.
Of only one of the following statements, we now certainly know it is correct:

A.Edwin is taller than Jurgen
B.Jurgen is taller than Edwin
C.It cannot be determined if Jurgen or Edwin is the tallest.

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

What number when divided in half becomes zero?

Can you name an animal whose killing cannot be performed without spilling your own blood?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

What kind of band never plays music?