Welcome to Ian’s Friday Puzzle! Dust off those Friday cobwebs with a little manipulation of the old grey matter. Perplexing puzzles, logical, illogical, and sometimes just plain stupid. Be prepared to be bewildered, befuddled and bedazzled!
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Start with the number 15.
Add the numbers 1 to 5. 1 + 2 + 3 + 4 + 5 = 15.
There is one other two-digit number with this property. Find it.
A baker needs to bake three cakes, but he can only fit two cakes in the oven at a time. The cakes need to be baked for two minutes
on each side.
What is the minimum time the baker needs to bake all three cakes?
Here is the front panel of a safe.
To get into the safe every button has to be pressed ending with
the F button.
The number of moves and the direction are given on every button.
3L means 3 left, 2U means 2 up.
Which button is the first button you must press?
(Use the grid reference).
What is the largest number of non-overlapping triangles that can be produced by drawing 7 straight lines?
The mean of six different positive odd integers is 150.
What is the largest possible value of any of the integers?
Complete the number sentence by adding in + and - signs.
123456789 = 100
There are 11 different ways.
Each letter is a different digit.
If I × I = ME and ME × ME = SHE. What is SHE worth?
Two trains 150 miles apart are travelling toward each other along the same track.
The first train goes 60 miles per hour; the second train rushes along at 90 miles per hour.
A fly is hovering just above the nose of the first train. It buzzes from the first train to the second train, turns around immediately, flies back to the first train, and turns around again. It goes on flying back and forth between the two trains until they meet.
If the fly's speed is 120 miles per hour (a very fast fly), how far will the fly travel?
Each box is filled with one digit. Find the values of x, y and z
so both equations are correct.