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Brainteasers 6:
Straight-up Logic

No tricks, no traps, just hard-core logic, plus a bit of vocabulary skill.

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1. What number follows logically in this series?

2, 3, 5, 9, 17, ________

2. In the group of words below, which two words are most nearly opposite in meaning?

punish, vex, pinch, ignore, pacify, determine

3. Figure out the rule that is used to determine the prices below and find the price of the last item.

          watch          $46
          bracelet     $   4
          earrings      $10
          chain           $  6
          ring              $__

4. Study the four drawings in the top row. Which of the four drawings in the bottom row should appear next in the series?

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5. The arrows represent a simple code. What common English word do they spell?

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6. In the square below, a rule applies both from top to bottom and from left to right. Find the rule and figure out the missing number.

6 2 4

2 __ 0

4 0 4

7. Which drawing in the bottom row logically comes next in the series that is shown in the top row?

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8. Complete this analogy by writing one word on the lines, ending with the printed letter.

Lend is to borrow as harmony is to   __ __ __ __ __ __d.

9. Which two words in italics have the same relation as the two words in the first phrase?

Island is to water as

without, hypotenuse, center, diagonal, perimeter

10. If Doris turns either left or right at the stop sign, she will run out of gas before reaching a service station. She has already gone too far past the last service station to turn around and return to it. She does not see a service station ahead of her. Therefore:

          (a) Doris may run out of gas.
          (b) Doris will run out of gas.
          (c) Doris should not have taken this route.

11. Find the number that logically completes this series:

1, 2, 6, 12, 36, ________

12. Which building in the bottom row logically comes next in the series that is shown in the top row?

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13. M is above N and O. N is above O and below P. Therefore, which of the following is true:

          (a) M is not above O and P
          (b) O is above N.
          (c) P is above O.
          (d) O is above P.

14. In the italicized words below, which two words are most similar in meaning?

(Example: mat, linoleum, floor, rug)

beam, lump, wood, ray, chuckle, silver

 

Scoring:
14-15 correct:
Some kind of I.Q.!
10-13 correct:
Pretty smart!
6-9 correct:
Not bad.

(Adapted from The Brain Game.)

Answers

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