Number puzzles
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Answers to the following puzzles are at the bottom of the page
Answers to the following puzzles are at the bottom of the page
The locked door
The locked door
A man wanted to get into his office, but he had forgotten the code to open the door.
A man wanted to get into his office, but he had forgotten the code to open the door.
However, he did remember five clues as follows:
However, he did remember five clues as follows:
- The fifth number plus the third number equals fourteen.
- The fourth number is one more than the second number.
- The first number is one less than twice the second number.
- The second number plus the third number equals ten.
- The sum of all five numbers is 30.
What were the five numbers and in what order? The answer unlocks the attachment which you can download here. You will then need to enter the code to unlock the file
What were the five numbers and in what order? The answer unlocks the attachment which you can download here. You will then need to enter the code to unlock the file
The sorcerer's tower
The sorcerer's tower
A sorcerer’s decided to build a great tower for his overlord the king. This was enchanted so that it was able to build itself. Bricks, slates, tiles, and panes of glass, all flew to it of their own accord and danced into position. The tower doubled in size every day until after 100 days it reached such a height that provided magnificent views over the entire kingdom.
A sorcerer’s decided to build a great tower for his overlord the king. This was enchanted so that it was able to build itself. Bricks, slates, tiles, and panes of glass, all flew to it of their own accord and danced into position. The tower doubled in size every day until after 100 days it reached such a height that provided magnificent views over the entire kingdom.
How many days did the tower take to reach half its full height?
How many days did the tower take to reach half its full height?
The four-digit number
The four-digit number
There is a four digit number
There is a four digit number
The first digit is one-third of the second,
The third is the sum of the first two,
The last is three times the second.
The first digit is one-third of the second,
The third is the sum of the first two,
The last is three times the second.
What is the number?
What is the number?
Find the missing number
Find the missing number
7 + 3 = 410
7 + 3 = 410
9 + 6 = 315
9 + 6 = 315
2 + 1 = 13
2 + 1 = 13
6 + 5 = ?
6 + 5 = ?
Decode the following equation
Decode the following equation
and it tasted delicious!
and it tasted delicious!
Decode the following
Decode the following
For example, 24 H in a D = 24 Hours in a Day
For example, 24 H in a D = 24 Hours in a Day
- 7 D of the W = ?
- 5 T on a F
- 100 P in a P
- 52 C in a P
- 64 S on a C B
- 6 B in an O
- 7 W of the W
- 206 B in the B
- 8 P in S S
- 90 D in a R A
- 8 T on an O
- 3 W on a T
Two mothers and two daughters
Two mothers and two daughters
Two Mothers and two daughters walk into a shop. They each buy something for ÂŁ1 but they only spent ÂŁ3 in total.
Two Mothers and two daughters walk into a shop. They each buy something for ÂŁ1 but they only spent ÂŁ3 in total.
How can this be?
How can this be?
The tall man
The tall man
A man named Bill was particularly tall, 6 feet 4 inches to be precise and was of medium build. He was an assistant at the local butcher's shop and wore size 12 shoes. What did he weigh?
A man named Bill was particularly tall, 6 feet 4 inches to be precise and was of medium build. He was an assistant at the local butcher's shop and wore size 12 shoes. What did he weigh?
Matches
Matches
Move 1 match to mend the following equation
Move 1 match to mend the following equation
Answers
Answers
The locked door
The locked door
Try unlocking the attachment to see if you are correct! If you still have problems, email me at b2222w@gmail.com
Try unlocking the attachment to see if you are correct! If you still have problems, email me at b2222w@gmail.com
The four digit number
The four digit number
1349
1349
The sorcerer's tower
The sorcerer's tower
99 days!
99 days!
Find the missing number
Find the missing number
111 The first digit in the answer is formed by taking the second number from the first (6 - 5 = 1).
111 The first digit in the answer is formed by taking the second number from the first (6 - 5 = 1).
The second (and third) digit is formed by adding together the first and second number in the question (6 + 5 = 11).
The second (and third) digit is formed by adding together the first and second number in the question (6 + 5 = 11).
Decode the equation
Decode the equation
i ate some pie!
i ate some pie!
the square root of -1 is i (imaginary number)
the square root of -1 is i (imaginary number)
2 cubed is 8 (ate)
2 cubed is 8 (ate)
The third symbol is the sum symbol
The third symbol is the sum symbol
And the final symbol is Pi (pie)
And the final symbol is Pi (pie)
Decode the following
Decode the following
- 7 days of the week
- 5 toes on a foot
- 100 pennies in a pound
- 52 cards in a pack
- 64 squares on a chess board
- 6 balls in an over (in cricket)
- 7 wonders of the world
- 206 bones in the (human) body
- 8 planets in the solar system (if we no longer include Pluto)
- 90 degrees in a right angle
- 8 tentacles on an octopus
- 3 wheels on a tricycle
Two mothers and two daughters
Two mothers and two daughters
They are a grandmother, mother and daughter
They are a grandmother, mother and daughter
The tall man
The tall man
Meat!
Meat!
Matches
Matches
5+4=9
5+4=9
Move a match from the left of the 6 to the top of the second four to make 9 is the simplest solution. You can also make 0+4=4 or, if you are a mathematician: 5+4 does not equal 4 by making the 'not equal to' sign with the extra match.
Move a match from the left of the 6 to the top of the second four to make 9 is the simplest solution. You can also make 0+4=4 or, if you are a mathematician: 5+4 does not equal 4 by making the 'not equal to' sign with the extra match.