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More Brain Teasers
100

What is a synonym for happy?

What is glad / joyful / cheerful?

100

What is the value of 72?

What is 49?

100

I speak without a mouth and hear without ears. What am I?

What is an echo?

100

What part of a plant takes in water from the soil?

What are roots?

100

What has hands but cannot clap?

What is a clock?

200

What does the prefix re- mean?

What is again?

200

What is larger: 3/4 or 2/3?

What is 3/4?

200

What has to be broken before you can use it?

What is an egg?

200

What gas do plants take in during photosynthesis?

What is carbon monoxide?

200

What can travel around the world while staying in one place?

What is a stamp?

300

Which word means the opposite of cold?

What is hot/warm?

300

If a number is multiplied by 5 and the result is 45, what is the number?

What is 9?

300

A farmer has 17 sheep. All but 9 run away. How many are left?

What is 9?

300

What force keeps planets in orbit around the sun?

What is gravity?

300

What has a head, a tail, but no body?

What is a coin?

400

Change one letter at a time: CAT -> COT -> DOT -> ?

What is DOG?

400

A rectangle has a perimeter of 30 units. If one side is 8 units, what is the other side?

What is 7 units?

400

The more you take, the more you leave behind. What are they?

What are footprints?

400

What do plants need from sunlight to make food?

What is energy?

400

What comes once in a minute, twice in a moment, but never in a thousand years?

What is the letter "M"?

500

What kind of word is quickly (noun, verb, adjective, or adverb)?

What is an adverb?

500

What is the smallest prime number greater than 20?

What is 23?

500

I have cities but no houses, rivers but no water, and forests but no trees. What am I?

What is a map?

500

What do we call animals that eat only plants?

What are herbivores?
500

I'm tall when I'm young and short when I'm old. What am I?

What is a candle?

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