Riddles and Brain Teasers

24 from 9, 6, 11 and 3

How do you get 24 from 9, 6, 11 and 3 using addition, subtraction, multiplication or division?

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There are multiple solutions.(6 – 3) × 11 – 9(11 – 6) × 3 + 9(9 – 6) × (11 – 3)

There are multiple solutions.

(6 – 3) × 11 – 9

(11 – 6) × 3 + 9

(9 – 6) × (11 – 3)

Posted in Brain Teasers

A Neighborly Argument

Two of your neighbors were arguing about if the first man’s peacock laid an egg in the seconds man’s garden, who would own the egg. They asked you to solve their dilemma. What would you tell them?

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Peahens lay eggs. Peacocks are males.

Posted in Brain Teasers

English Word with Three Consecutive Double Letters

What English word has three consecutive double letters?

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Bookkeeper (or bookkeeping). An alternate, tricky, answer could be Woollen (where W is a “double u”).

Posted in Riddles

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

Long and Thin

Long and thin, red within,
With a nail at the end.

What am I?

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A finger.

Posted in Riddles

Apple Rebus

What does this represent?

Apple
3.14

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Apple pie. (pi is a mathematical constant of 3.14…)

Posted in Brain Teasers

Tagged with rebus

Favorite Use Is Attached To A String

A three-letter word I’m sure you know,
I can be on a boat or a sleigh in the snow,
I’m pals with the rain and honor a king,
But my favorite use is attached to a string.

What am I?

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A bow. It has three letters, the bow of a boat is the front, bows are found on the presents on Santa’s sleigh, rainbows come with the rain, one bows before a king and a bow and arrow requires a string.

Posted in Riddles

Ancient Arabic

I’m Arabic, but if you speak English, you probably use me every day.

What am I?

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The Arabic numerals, 1, 2, 3, etc.

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Tagged with What am I?

Days Before August 17th

How many days before August 17th is it, if fifty days ago, it was four times as many days since March 30th?

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18 days or July 30th.17 August – 18 days = 30 July.
30 July – 50 days = 10 June.
10 June – 30 March = 72 days, which equals 4 × 18.

18 days or July 30th.

17 August – 18 days = 30 July.
30 July – 50 days = 10 June.
10 June – 30 March = 72 days, which equals 4 × 18.

Posted in Brain Teasers

The Most Impressive Boundary

The most impressive boundary’s not a wall.
It’s not a manufactured thing at all.
Moving towards it won’t reduce the gap
and nothing marks its presence on a map.

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The horizon.

By Sef Daystrom

Posted in Riddles

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