Here are some REAL HARD puzzles!!
PUZZLE #1
How many triangles in this figure?

PUZZLE #2
How many triangles in this figure?

PUZZLE# 3
How many triangles in this figure?

PUZZLE #4
How many squares in this figure?

PUZZLE #5
Logically, which circle fits the pattern?

PUZZLE #6
In how many of the following, if both ends of the string are pulled simultaneously, will a knot
be formed?

PUZZLE #7
Sid throws out a challenge to Jim in the school. "I'll put this handkerchief on the floor. You
stand on one corner and I'll stand on the other corner. Without either of us tearing, cutting,
streching or altering it in any way, you won't be able to touch me."
How can this be done?
PUZZLE #8
Insert the remaining numbers from 1-25 to form a magic square where each horizontal, vertical
and corner-to-corner line totals 65.
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25 |
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20 |
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10 |
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05 |
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PUZZLE #9
Arrange these numbers so that all lines including the diagonals add up to the same total.
12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, -1, -2, -3
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PUZZLE #10
Arrange these numbers so that all lines including the diagonals add up to the same total.
1, 2, 3, 4, 5, 6, 7, 8 Possitive Numbers
-1, -2, -3, -4, -5, -6, -7, -8 Negative Numbers
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PUZZLE #11
Insert the numbers 0 - 8 into the grid so that each horizontal, vertical and corner- to corner
line adds up to the same total.
PUZZLE #12
From the information given, can you fill in the missing numbers? Each block of three numbers has
the same link between them.
PUZZLE #13
What number is missing from this list?
16, 25, 36, 49, 169, 256, ?, 1369
PUZZLE #14
What is the next number in this sequence?
124816326412?
Go back to the first puzzle page
Click here for the answers
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