math
chemistry
chess
school jokes
riddles
100

what is 49/7?

7

100

do molecules move faster in hot or cold water?

hot water

100

how much points does a rook have?

5

100

why did the teacher put a ruler in bed and slept next to it?  

she wanted to measure how long she slept

100

what cannot be seen but only heard and will not speak unless spoken to? 

an echo

200

how much mistakes did Albert Einstien make?

1

200

where was chess first played?

ancient india

200

what is white when dirty and black when clean?

a blackboard

300

in which topic did Albert Einstien do a mistake?

space

300

what is easy to get into but hard to get out of?

trouble

300

what has to hands but no arms or legs?

a clock

400

why was chess invented?

to explain to a queen her son died

400

what has a big mouth but can't talk?

a jar

500

what is 12 * 3?

36

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