Brain Busters
Odd One Out
Math
Animals
Sports
100

A man says he walked through heavy rain for 20 minutes without an umbrella or hat, but not one hair on his head got wet.

How?



He was bald.


100

Earth • Mars • Jupiter • Moon


Answer: Moon
Why: It is not a planet.

100

What is the missing number?

18, 21, 24, 27, __

30

100

Which animal cannot jump?

Elephant

100

This sport has a pommel horse and balance beam.

 Gymnastics

200

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


9

200

Mercury • Venus • Earth • Pluto


Answer: Pluto
Why: It is a dwarf planet.

200

A number is multiplied by 3, then 6 is added. The result is 30. What is the number?

8

8×3+6=30

200

Which animal has the strongest bite force of any living animal?

Crocodile

200

In baseball, what is the only base a runner is allowed to overrun without being tagged out (if they don't try for the next base)?

First base

300

A snail climbs 5 feet up a wall every day but slides down 3 feet every night. How many days will it take to climb a 20-foot wall?


Answer: 9 days
It reaches 20 feet during Day 9 and does not slide back.

300

Square • Rectangle • Rhombus • Triangle

Triangle

Why: It has 3 sides; the others have 4.

300

You have 12 socks in a drawer: 6 black and 6 white. Without looking, how many socks must you take to guarantee a matching pair?

3 socks

300

What is the world's largest rodent?


Capybara

300

Which country has won the most FIFA Men's World Cups?


Brazil

400

A man lives in a completely round house. Every wall and piece of furniture is round. He is found dead inside. The suspects are the maid, the cook, and the gardener.

  • The cook says, “I was cooking.”
  • The gardener says, “I was outside.”
  • The maid says, “I was cleaning the corners.”

Who did it?


The maid, because a round house has no corners.

400

Whale • Dolphin • Shark • Bat

Answer: Shark
Why: It is a fish; the others are mammals.

400

What three positive numbers give the same answer when added and multiplied?

Answer: 1, 2 and 3
1+2+3=61+2+3=6 and 1×2×3=61×2×3=6

400

Which of these animals is warm-blooded?

  • Crocodile
  • Penguin
  • Snake
  • Turtle

Penguin

400

Which sport has the largest playing field?

Cricket

500

Four students—Ava, Ben, Carlos and Dani—finished a race.

  • Ava finished before Ben.
  • Carlos finished after Dani.
  • Dani finished after Ben.

Who finished first?


Ava
Order: Ava, Ben, Dani, Carlos

500

Evaporation • Condensation • Precipitation • Photosynthesis


Answer: Photosynthesis
Why: The others are parts of the water cycle.

500

A two-digit number has digits that add to 9. When the digits are reversed, the new number is 27 greater than the original. What is the number?


 Answer: 36
Reversed: 63, and 63−36=2763−36=27

500

Which animal can survive without its head for several weeks?

Cockroach

500

A basketball player scores:

  • 4 three-pointers
  • 3 free throws
  • 2 two-point baskets

How many total points did they score?

19 points

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