Riddles and Brain Teasers

Come For a Ride

I go up, but at the same time go down,
Up toward the sky and down toward the ground,
I’m present tense and past tense too,
Come for a ride, just me and you.

What am I?

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A see-saw.

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Tagged with What am I?

ABCDE and What?

What comes next in this series?

A B C D E

Hint: It’s not F.

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K. The letters represent vitamins, and there is currently no Vitamin F, G, H, I or J.

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Tagged with Series

PINE Rebus

 P
INE

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Pine cone (pine in the shape of a cone).

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Tagged with rebus

Fewest Queens For Full Attack

What is the smallest number of queens required on a chess board to attack all squares?

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5. To see where they need to be placed, check out the diagram on Wolfram’s Queens Problem page.

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I Belong To Everyone

I belong to everyone. Sometimes I make you happy, sometimes I make you sad. I will never end until the day you do.

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Your thoughts.

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Tagged with What am I?

A Woman Without All Her Fingers On One Hand

What do you call a woman who doesn’t have all her fingers on one hand?

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Normal. Women (and men for that matter) have half of their fingers on one hand and half of them on the other.

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Half of Eight

What is half of 8?

Hint: It’s not 4

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3 (if you slice vertically) or 0 (if you slice horizontally)

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What Begins and Has No End?

What begins and has no end? What is the ending of all that begins?

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Death or decay.

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Two Bodies Joined in One

Two bodies have I, though both joined in one,
The more I stand still the faster I run.

What am I?

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An hourglass.

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Four Weights To Thirty

What four weights can be used to balance from one to thirty pounds?

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A = 1
B = 3
C = 9
D = 171 lb = A
2 lbs + A = B
3 lbs = B
4 lbs = A + B
5 lbs + A + B = C
6 lbs + B = C
7 lbs + B = A + C
8 lbs + A = C
9 lbs = C
10 lbs = A + C
11 lbs + A = B + C
12 lbs = B + C
13 lbs = A + B + C
14 lbs + B = D
15 lbs + B = A + D
16 lbs + A = D
17 lbs = D
18 lbs = A + D
19 lbs + A = B + D
20 lbs = B + D
21 lbs = A + B + D
22 lbs + A + B = C + D
23 lbs + B = C + D
24 lbs + B = A + C + D
25 lbs + A = C + D
26 lbs = C + D
27 lbs = A + C + D
28 lbs + A = B + C + D
29 lbs = B + C + D
30 lbs = A + B + C + D

A = 1
B = 3
C = 9
D = 17

1 lb = A
2 lbs + A = B
3 lbs = B
4 lbs = A + B
5 lbs + A + B = C
6 lbs + B = C
7 lbs + B = A + C
8 lbs + A = C
9 lbs = C
10 lbs = A + C
11 lbs + A = B + C
12 lbs = B + C
13 lbs = A + B + C
14 lbs + B = D
15 lbs + B = A + D
16 lbs + A = D
17 lbs = D
18 lbs = A + D
19 lbs + A = B + D
20 lbs = B + D
21 lbs = A + B + D
22 lbs + A + B = C + D
23 lbs + B = C + D
24 lbs + B = A + C + D
25 lbs + A = C + D
26 lbs = C + D
27 lbs = A + C + D
28 lbs + A = B + C + D
29 lbs = B + C + D
30 lbs = A + B + C + D

Posted in Brain Teasers

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