Science
Nature
Math Problem
Brain challenge
Multiplication and division
100

Water is made up of two elements?

Hydrogen and oxygen.

100

True or false? Humans were on Earth before plants.

False

100

If there are 6 apples and you take away 4, how many do you have?

The 4 you took.

100

What goes up and down, but still remains in the same place?

Stairs.

100

what's 5 multiply by 5

25

200

Water freezes at what temperature?

0 °C (32 °F)

200

How many colors are in the rainbow? What are they?

  • Violet.
  • Indigo.
  • Blue.
  • Green.
  • Yellow.
  • Orange.
  • Red.
200

what's 81 divided by 9?

9

200

There was an airplane crash, every single person on board died, but yet two people survived. How is this possible?

The two were married

200

4 times 7

28

300

True or false? The center of the Earth is very hot.

True

300

Do male or female mosquitoes bite people?

Female.

300

Some months have 31 days, others have 30 days. How many have 28 days?

All months have 28 days.

300

What gets wetter & wetter the more it dries?

A towel

300

8 times 9 equal to what?

72

400

Does the Earth go around the Sun, or does the Sun go around the Earth?

The Earth goes around the Sun.

400

Which are the only mammals to have wings?

Bats

400

121 divided by 11


11

400

What goes up and never comes down?

Age.

400

100 times 100 

10,000

500

True or false? The continents have been moving their location for millions of years and will continue to move.

True

500

Which is the only bird that can swim but can’t fly?

Penguin.

500

How many times can you subtract 10 from 100?

Once. Next time you would be subtracting 10 from 90.

500

How many times does the alphabet ‘a’ appear from 0-100?

None.

500

1000 divided by 10

100

M
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