## Featured Part

###### October 2017

Problem of the Month##### October 2017

###### Problem:

Look at this series: 7, 10, 8, 11, 9, 12, ... What number should come next?

Show Solution**Solution:**

Answer: 10

###### Quiz:

Iron can be found in the solid as well as the liquid state. A single iron atom in the solid state is __________ that in the liquid.

Show Solution**Solution:**

Answer is D: Same As

###### September 2017

Problem of the Month##### September 2017

###### Problem:

In parking meters downtown, you can get 15 minutes parking for 50cents. Dad put $3.50 into the parking meter at 3:15pm. At what time did the parking meter expire?

Show Solution**Solution:**

Answer: 5:00 o'clock

###### Quiz:

What year was the two dollar bill last printed in the United States?

Show Solution**Solution:**

Answer: 2014

###### August 2017

Problem of the Month##### August 2017

###### Problem:

In 16 years, Ben will be 3 times as old as he is right now.

How old is he right now?

**Solution:**

Answer: Ben is 8

###### Quiz:

The Summer Olympics has been hosted by all of these cities, except:

- A) Los Angeles
- B) Atlanta
- C) St. Louis
- D) San Francisco

**Solution:**

Answer is D: San Francisco

###### July 2017

Problem of the Month##### July 2017

###### Problem:

There are five gears connected in a row, the first one is connected to the second one, the second one is connected to the third one, and so on. If the first gear is rotating clockwise what direction is the fifth gear turning?

Show Solution**Solution:**

Answer: Clockwise

###### Quiz:

Who was the oldest signer of the Declaration of Independence?

- A) Benjamin Franklin
- B) John Adams
- C) Steven Hopkins
- D) George Washington

**Solution:**

Answer is A: Benjamin Franklin who was 70

###### June 2017

Problem of the Month##### June 2017

###### Problem:

A small boat is floating in a swimming pool. You have a rock which you will throw into the pool or put into the boat. Which is true?

- A) The water in the pool rises higher when the rock is put in the boat.
- B) The water in the pool rises higher when the rock is put into the pool.
- C) The level would rise the same either way.

**Solution:**

A is the answer: The rock displaces more water when it's in the boat than when it's in the water, and so the pool's water level is lower when the rock is in the water.

###### Quiz:

The first department store to hold a Thanksgiving paradewas:

- A. Montgomery Ward
- B. J.C. Penney
- C. Gimbels
- D. Macy's.

**Solution:**

Answer is C: Gimbels department store began sponsoring a Thanksgiving Day parade in Philadelphia in 1920

###### June 2016

Problem of the Month##### June 2016

###### Problem:

Find the odd one out.

- FIRST
- GHOST
- DEMON
- FORTY

**Solution:**

The letters in each word are in alphabetical order, with the exception of the word DEMON.

###### Quiz:

What was the original name of Memorial Day?

- Remembrance Day
- Commemoration Day
- Decoration Day
- Dedication Day

**Solution:**

Decoration Day

###### May 2016

Problem of the Month##### May 2016

###### Problem:

The diagram shows 15 billiard balls that fit exactly inside a triangular rack. The rigid rack prevents the balls from sliding. What is the largest number of balls that can be removed so that the remaining balls are theoretically unable to move?

Show Solution**Solution:**

Six balls can be removed. In theory, a ball does not move if its center is inside the polygon based on supporting points.

###### Quiz:

What is the name of the Greek goddess whose return was believed to signal the start of spring?

- Demeter
- Persephone
- Hades
- Freya

**Solution:**

Persephone

###### January 2016

Problem of the Month##### January 2016

###### Problem:

In the middle of an otherwise empty field there lies a man wearing a pack. He is dead. There are no other clues visible. How did he die?

Show Solution**Solution:**

His parachute failed to open!

###### Quiz:

Where is the world's largest New Year's party?

- Times Square, New York
- Rio de Janeiro, Brazill
- The Champs Elysees, Paris
- Sydney, Australia

**Solution:**

Rio de Janeiro, Brazil

###### December 2015

Problem of the Month##### December 2015

###### Problem:

There are 8 match sticks in the pyramid shown in the figure below. Now move 4 sticks to form 5 equilateral triangles.

Show Solution**Solution:**

1 tetrahedron + 1 equailateral triangle = 5 equilateral triangles.

###### Quiz:

Where did the song "Have Yourself a Merry Little Christmas" originally appear?

- Miracle on 34th Street
- It's A Wonderful Life
- Meet me in Saint Louis

**Solution:**

Meet Me in Saint Louis

###### November 2015

Problem of the Month##### November 2015

###### Problem:

Use five 0's and any math operation to get the total of 120.

Show Solution**Solution:**

(0!+0!+0!+0!+0!)!

=(1+1+1+1+1)!

=(4)!

=5! is 5*4*3*2*1=120

###### Quiz:

Though wild turkeys can only fly for short distances, they can sometimes reach speeds of:

- 7 mph
- 35 mph
- 55 mph
- 72 mph

**Solution:**

55 mph