Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

What does this below rebus puzzle mean?

What do the following words have in common?

Assess
Banana
Dresser
Grammar
Potato
Revive
Uneven
Voodoo

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

What Deficiency does the below rebus represent?

VIT_MIN

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

How many words can a pen with half refill write?