Road Trip Ideas and Games » Brain Teasers

Brain Teaser – Leaves and branches

John Andersen — Tue, 05 Oct 2010 14:41:06 +0000

What has leaves, but no branches?

ANSWER:

A book

Brain Teaser – Traveling with crazy relations

John Andersen — Tue, 10 Aug 2010 14:16:07 +0000

You have been invited to go on a road trip with your mother’s brother’s brother-in-law. You have no aunts in the family. Who has invited you to travel with them?

ANSWER:

Because you have no aunts, this would be your uncle’s brother-in-law on your mom’s side. Your uncle would only have one brother-in-law (he may have many sisters-in-law). The brother-in-law would have to be your father.

Brain Teaser – Doll prices

John Andersen — Thu, 22 Jul 2010 14:08:21 +0000

Karli Jo has two dolls. One of the dolls is very expensive and costs $100 more than her second doll. Altogether, both dolls cost $101. How much does each of the dolls cost individually?

ANSWER:

The expensive doll is $100.50 while the cheaper doll is just $0.50.

Brain Teaser – Pennies a day

John Andersen — Mon, 21 Jun 2010 13:56:53 +0000

Would you rather have five million dollars all at once or have someone give you one penny today and then double the number of pennies that you have each day for just 30 days?

ANSWER:

The mathematical formula for this is the starting amount (s) times the rate (r) raised to the power of the number of days (d). The formula looks like s*r^d. In this case it would be .01*2^30 which equals: $10,737,418.24. Over $10 million to go the slower route!

Brain Teaser – North Pole Blindfold

John Andersen — Mon, 10 May 2010 20:35:56 +0000

Your latest road trip has taken you to the North Pole. You get out and put on a blindfold. You spin around two times. Then you take 10 steps forward. Finally you turn 90 degrees to the left. What do you see?

ANSWER:

You don’t see anything because you are blindfolded.

Math Pattern Puzzle 20100502

John Andersen — Sun, 02 May 2010 16:36:07 +0000

What is the next number in the series of numbers below:

1, 4, 16, 64, 256, ?

ANSWER:

1,024. These are all exponents of the number 4

Soda Killer? – Brain Teaser

John Andersen — Thu, 29 Apr 2010 16:40:47 +0000

Dihydrogen monoxide is and chemical compound that can kill you if you ingest too much of it, corrode metals, dissolve some solids, is part of acid rain, and is used by many industrial chemical plants. However, it is also a very important ingredient to most soda pops. How can this be?

ANSWER:

Dihydrogen monoxide is the chemical name for H2O – what we call water

Kitchen Teaser – Dry Spaghetti

John Andersen — Tue, 20 Apr 2010 16:32:14 +0000

How would it be possible to make a straight piece of dry spaghetti into a circular piece of dry spaghetti without breaking the pasta?

ANSWER:

Cook the spaghetti first, form it into a circle, then dry it again.

Math Teaser – Labeled Cans

John Andersen — Mon, 05 Apr 2010 16:23:15 +0000

Aliece is packing up a bunch of cans for the family camping trip. When she comes to the last few cans in the pantry, she notices that the labels have fallen off of four of the cans in the pantry. The four labels are all different.

If Aliece were to glue the labels on to the cans at random, what is the probability that she will put the correct labels on only three of the four cans?

ANSWER:

There is zero possibility. If three of the cans have the correct label, then the fourth one will also.

Rebus Teaser #3

John Andersen — Tue, 23 Mar 2010 15:04:40 +0000

Rebus Puzzles are popular word picture puzzles with hidden meanings. You use their pictures and words to try to solve the meaning. They are often common phrases.

ANSWER:
“Top Secret“