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A. P.'s user avatar
A. P.'s user avatar
A. P.'s user avatar
A. P.
  • Member for 6 years, 7 months
  • Last seen this week
25 votes

68 coins with 100 weighings

25 votes
Accepted

Integers around a circle with consecutive pairs adding to a square

17 votes
Accepted

The three utilities puzzle

17 votes
Accepted

How can you get 125 from 2,3,4,5,6?

15 votes

The Lazy Laser Physicist

14 votes
Accepted

How many lemons?

13 votes
Accepted

Ray reflection inside the cube

11 votes

How much money can we make?

11 votes
Accepted

Help me unlock my bike

10 votes

Breaking Balance (Part C)

10 votes

Easy Riddles #5: What thing am I?

9 votes
Accepted

How many Christmas Trees?

9 votes

Answer is three words forming a phrase (3rd of a rebus series)

9 votes

Radar towers in a military field

9 votes
Accepted

Polarizing Encryption: What does it say?

8 votes

Drawing balls from a pocket

7 votes
Accepted

Three baskets with numbered balls

7 votes

Make 2008 from Φ (Golden Ratio)

7 votes

Breaking Balance (Part A)

7 votes

Determine a polynomial with nonnegative integer coefficients with minimum queries

6 votes

Capture a laser beam

6 votes

Breaking Balance (Part A)

6 votes

Mr.Q : Make rainbow

5 votes

Fibonacci Decimals and their Sums

4 votes

How is it possible that not even the driver noticed the flat tire during the journey?

4 votes
Accepted

Two dice with same probability for each sum mk2

3 votes
Accepted

Making proportions equal

3 votes

Pick seven numbers so that every operation gives same result

3 votes
Accepted

Make 'b' the subject in the quadratic formula

3 votes

Count,Count How many legs?