You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

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?

Look at the picture and find out which square is not linked with any of the other squares.

what does this picture(rebus) riddle means ?

You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
2) An orangutan who is playing with blocks.
3) A donkey who is sitting idle.

Who is the most intelligent primate in the room?

Why Aeroplane windows are round?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

I cannot talk, but I always reply when spoken to. What am I?

Can you identify the hidden rebus in the image below?