THINK ABOUT IT

(e.g., Divide 6 by 1/2. Answer: 12.)

Freshman level

1. Make another word using all the letters in the word “night.”

2. Change one letter in each word to make a common sign: “No Now Oven.”

3. What four-letter word can mean both speedy and fixed firmly in place?

Graduate level

4. What is the next letter in this sequence? T T F F S S

5. What two-digit number is two times the sum of its digits?

6. You paid $24 due to a 20% discount. What was the original price?

Ph.D. level

7. What five-letter word is spelled out by the four Roman numerals 6, 5, 1, 500?

8. Decode this word rebus: 678SAFETY9876

9. What is the last letter in this sequence? a, b, d, e, g, ...

Answers: 1. Thing. 2. Do Not Open. 3. Fast. 4. E (numbers from two to eight). 5. Eighteen. 6. $30. 7. Vivid. 8. Safety in numbers. 9. p (lowercase letters that enclose a space).

— North America Syndicate