See Inside

Match wits with the Mensa puzzler

• Share
• Email
1 For each line, find a word that matches the definition at the left and, when it is reversed, matches the definition on the right.

```vegetable	  	part of a ship

give off	 	"4th dimension"
```

2 Three sandwiches and five cups of coffee cost \$20. Three cups of coffee and two sandwiches cost \$13. What is the price of each sandwich and each cup of coffee?

3 An interesting question is coiled in the grid below. Start at the correct letter and move in any direction to find the question. (Start with a "D" and use each letter only once.)

A H O S D O B U R

S E U E N W R U N

D O B U R N O ? P

4 A candy store owner prices sweets according to his own system. A gumdrop costs 12 cents; a lollipop costs 13 cents; a chocolate bar costs 19 cents. Using the same system, how much will a jujube cost?

5 A restaurant, whose owner is a puzzle fiend, was going to close for vacation. The note on the door, composed by the owner, read, "This is being posted on Wednesday, July 1. We shall be closed for vacation from the day after two days before the day after tomorrow." What day of the week did the restaurant close for vacation?

6 A bottle with a deposit for its return costs you \$1.10. The bottle cost \$1.00 more than the deposit. How much money are you going to get back when you return the bottle?

7 On a strange planet, the numerical system is such that 12 is half of 20. In that case, what is one fifth of 25?

8 In the following set of words, which one is "odd man out"?

9 Fill in the missing number.

3 6 1 4

144 81 ?

4 5 2 5 6

10 Charles is now half as old as Pat was three years ago. In three years, Charles will be half as old as Pat will be then. If neither is yet a teenager, how old are they now?

You must sign in or register as a ScientificAmerican.com member to submit a comment.
Click one of the buttons below to register using an existing Social Account.

## More from Scientific American

• News | 2 hours ago

### Federal Flood Maps Left New York Unprepared for Sandy, and FEMA Knew It

• News | 4 hours ago

### Smart Wig Could Compete with Google Glass

• News | 4 hours ago | 1

### Will to Persevere Can Be Triggered by Electric Stimulation

• Climatewire | 6 hours ago | 4

### Will Arctic Meltdown Produce More Greenhouse Gases or Less?

• Reuters | 9 hours ago | 4

More »

## Latest from SA Blog Network

• ### Can We Harness Disruption to Improve Our World's Future?

STAFF
@ScientificAmerican | 1 hour ago
• ### British Storm Brings Up History's First Work of Social Media

Plugged In | 2 hours ago
• ### Rolling on Wheels That Aren t Round

Observations | 2 hours ago
• ### The future of nuclear energy: Let a thousand flowers bloom

The Curious Wavefunction | 2 hours ago
• ### UMN agrees to outside review of clinical research practices but what parts and by whom?

Molecules to Medicine | 7 hours ago

## Science Jobs of the Week

X

Give a 1 year subscription as low as \$9.99

X

X

###### Welcome, . Do you have an existing ScientificAmerican.com account?

No, I would like to create a new account with my profile information.

X

Are you sure?

X