STEM Project Brain Teasers

Question 1

When do you stop at green and go at red?

Accepted Answer

Watermelon!

Question 2

Mr. X was born on December 25, 2001, yet his birthday is in summer. What is this?

Accepted Answer

He lives in Southern hemisphere

Question 3

Red houses are made of red bricks; blue houses have blue bricks. What is a green house made of?

Accepted Answer

Glass

Question 4

What has a tail but no body?

Accepted Answer

A coin!

Question 5

How can you lift an elephant with one hand?

Accepted Answer

There is no such thing

Question 6

Before Mt. Everest was discovered, which was the highest mountain in the world?

Accepted Answer

Mt. Everest

Question 7

What word in the English language is always spelled incorrectly?

Accepted Answer

Incorrectly

Question 8

In a year, some months have 31 days, others have 30 days. How many have 28 days?

Accepted Answer

12

Question 9

What question must always be answered ''Yes''?

Accepted Answer

What does Y-E-S spell?

Question 10

How many times can you subtract 10 from 100?

Accepted Answer

1

Question 11

You have 30 seconds to make this true: 1 + 3 - 5 + 7 - 9 _ 1 + 2 - 3 + 4 - 5 + 6 - 7 + 8 - 9.

Accepted Answer

=

Question 12

How many squares are there in the picture ?

Accepted Answer

40

Question 13

A farmer has 2 haystacks and 8 haystacks. If he combined them, how many haystacks does he have?

Accepted Answer

1

Question 14

How much dirt is in a hole 2m wide, 5m long, and 8m deep?

Accepted Answer

None

Question 15

So how smart you think you are ?

Accepted Answer

Not Smart Enough, Smartest person alive, Smarter than most, Dumb

Question 16

How many sides does a circle have?

Accepted Answer

Two

Questions 16