Math
I am an odd number. Take away a letter and I become even. What number am I?
Seven
What five-letter word becomes shorter when you add two letters to it?
Short
What has to be broken before you can use it?
An egg
What is so fragile that saying its name breaks it?
Silence
What has a thumb and four fingers, but is not a hand?
A glove
If two’s company, and three’s a crowd, what are four and five?
Nine
What begins with an "e" and only contains one letter?
An envelope
I’m tall when I’m young, and I’m short when I’m old. What am I?
A candle
What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?
A river
What has a head and a tail but no body?
A coin
What three numbers, none of which is zero, give the same result whether they’re added or multiplied?
One, two and three
A word I know, six letters it contains, remove one letter and 12 remains. What is it?
Dozens
What month of the year has 28 days?
All of them
What can fill a room but takes up no space?
Light
Where does one wall meet the other wall?
Mary has four daughters, and each of her daughters has a brother. How many children does Mary have?
Five—each daughter has the same brother.
You see me once in June, twice in November and not at all in May. What am I?
The letter “e”
What is full of holes but still holds water?
A sponge
If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?
A mirror
What tastes better than it smells?
Tongue
Which is heavier: a ton of bricks or a ton of feathers?
Neither—they both weigh a ton.
Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?
The letter “r”
What is always in front of you but can’t be seen?
The future
The more you take, the more you leave behind. What are they?
Footsteps
What has 13 hearts, but no other organs?
A deck of cards