Numbers
Fractions
Angles
Shapes
Riddles
100

Is 3 a natural number?

Yes

100

What is 2×(1/2)?


1

100

What kind of an angle is equal to 90°?

Right angle

100

How many sides does a square have?

4

100

How many people are “two pairs of twins twice”?

8

200

How many whole numbers are there?

Infinite

200

What is 1/4 of 4/16?

1/16

200

What are supplementary angles?

Angles that add up to 180°

200

Which shape has interior angles that add up to 180°?

Triangle

200

I am an odd number. Take away one letter and I become even. What number am I? 

Seven

300

Is √2 an integer?

No

300

What is the simplest form of 165/275?

3/5

300

What kind of an angle is equal to 168°?

Obtuse angle

300

How many sides does a heptagon have?

7

300

If three cats can catch three mice in three minutes, how long will it take 100 cats to catch 100 mice? 

3 minutes

400

How much % is 7/8?

87.5 %

400

What is 8-(16/720)?

359/45

400

What is the sum of angles of a rhombus? 

360°

400

Which alphabets have rotational symmetry?

H, I, O, S, X, Z

400

What is the only number that is twice the sum of its digits?

18

500

Which irrational number is used to find area and circumference of a circle?

π (Pi)

500

What is (17/390)-(3/15)?

-61/390

500

What is the sum of interior angles of a hexagon?

720°

500

How many sides does an enneadecagon have?

19

500

At a party everyone shook hands with everyone else. In total, there were 66 handshakes. How many people were at the party?

12 people