Marcus’ Strange Age

Marcus was 15 years old in 2010. In 2015 he was only 10 years old. How is this possible?

The years are B.C., so 2015 came before 2010.

Posted in Brain Teasers

No Eyes But Once Could See

I do not have eyes but I once could see. I used to have thoughts but now I’m empty.

A skull.

Posted in Riddles

Answer This Honestly

What question can you never honestly answer yes to?

Are you asleep? (or dead, or conscious, or being silent).

Posted in Riddles

Letters, Letters, What Comes Next?

What letter comes next letter in this series?

A E F H I ___

K. It’s the series of capital letters without curves in alphabetical order.

Posted in Brain Teasers

Amber Knits and Fauna Worry

Find a single letter that replaces the first letter in the two words of each row to make two new words. What word is formed by combining the new letter of each row?

For example: PLANK _ BRISK

The new letter is F, making FLANK and FRISK. And F would be the first letter of the answer.

AMBER _ KNITS
FAUNA _ WORRY
WARNS _ AERIE
FEMUR _ GAILY

1. U – UMBER and UNITS
2. S – SAUNA and SORRY
3. E – EARNS and EERIE
4. D – DEMUR and DAILY

The new word is USED.

Posted in Brain Teasers

Special Sequence

What is special about the following sequence of numbers?

8 5 4 9 1 7 6 10 3 2 0

The numbers are in alphabetical order.

8 = eight
5 = five
4 = four
9 = nine
1 = one
7 = seven
6 = six
10 = ten
3 = three
2 = two
0 = zero

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From Diner to Menus

How can you go from DINER to MENUS, changing one letter at a time and forming another English word in each step?

DINER
MINER
MINES
MINUS
MENUS

Another option is:
DINER
DINES
MINES
MINUS
MENUS

Posted in Brain Teasers

Three Consecutive Days

Name three consecutive days without using the words Wednesday, Friday, or Sunday.

Yesterday, today and tomorrow.

Posted in Brain Teasers

How Much Time is Left in the Exam?

During a math exam, Willy asks Ms. Matilda, the teacher, how much time is left. Ms. Matilda is known for being obtuse and answers that the amount of time left is 1/5 of the time already completed and that is also how much time is left, in a manner of speaking.

How much time is left?

15 minutes. The total exam time is 90 minutes. If 15 minutes are left, 75 minutes have already passed, and one fifth of 75 is 15. However, if you follow Ms. Matilda’s hint and pay attention to only the numbers in 1/5, you get the answer of 15 minutes as well.

Posted in Brain Teasers

Counting Squares

How many squares of any size are in this grid?

4 x 4 grid

30.

There are:

16 1×1 squares
9 2×2 squares
4 3×3 squares
1 4×4 square (the whole shape)

Hence, 16 + 9 + 4 + 1 = 30.

Posted in Brain Teasers