Riddles
Maths
Synonyms.Meanings
Grammar
Geography
100

What has four legs but can’t walk?

A chair

100

{x+y=7

{x−y=1

x=4, y=3

100

influence

impact

100

This is the girl __________ sings really well.

who

100

How long is the equator?


about 40,000 kilometers 

200


What disappears as soon as you say its name?



Silence


200

log⁡2(x)+log⁡2(x−2)=3

x=4

200

distinct

different

200

The book, __________ was written in 1800, is still popular today.

which

200

This mountain range is the longest in South America, stretching across seven countries.

Andes Mountains

300

What is seen in the middle of March and April that can’t be seen at the beginning or end of either month?

The letter: "R"


300

If you have 3 apples and you take away 2, how many do you have?




2 apples (because you took away 2)

300

curative

therapeutic

300

After reading the instructions carefully, he started the machine. Replace "After reading"

Having read

300

This is the largest landlocked country in the world

Kazakhstan

400


What thrives when you feed it but dies when you water it?



A fire


400

A group of 40 students are sitting in a classroom. 30% of them are wearing glasses. If 25% of those wearing glasses are left-handed, how many students in the classroom are left-handed and wear glasses?

Answer: 3 students.
(30% of 40 = 12 students wear glasses.
25% of 12 = 3 students are left-handed and wear glasses.)

400

A smile that causes others to smile 

infectious/contagious

400

It was ___________ we got to the airport that we realized we had forgotten the tickets.

when

400

What are the summer months of the Southern Hemisphere?

December  January  February

500


What's lighter than a feather but impossible to hold for much more than a minute?



Your breath


500

Question: In a class of 20 students, 12 are girls and 8 are boys. If 4 students are selected at random, what is the probability that exactly 2 are boys?

Answer: 0.366.

500

irrespective

regardless

500

It’s ____________ I didn’t join the meeting yesterday; I had an urgent appointment.

why

500

Name the official languages of the UN.

Arabic Chinese English French Russian Spanish