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Hemant Agarwal
  • Member for 3 years, 6 months
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32 votes
7 answers
3k views

Two out of a dozen cartons have Easter eggs. Two people try to find one Easter egg carton, each using a different strategy. Who is expected to win?

9 votes
5 answers
2k views

5 points on a ball, divide the ball into 2 halves so that one half as exactly 4 points

7 votes
2 answers
444 views

Is $\sqrt1*\sqrt2*\dots*\sqrt n$ ever an integer?

7 votes
3 answers
784 views

Guess simultaneously, color of your hat, no passing allowed

7 votes
3 answers
697 views

One truthteller, one liar, and two randoms - least questions to identify?

6 votes
3 answers
937 views

Flipping coins in a circle

6 votes
6 answers
528 views

Can we always choose 2 numbers from 25 numbers with the following properties?

6 votes
7 answers
2k views

Probability that truth is spoken on Thursdays

4 votes
2 answers
319 views

Even and odd game variant

4 votes
5 answers
2k views

One truthteller/liar and one random person

4 votes
2 answers
157 views

⌈3n/2⌉−2 weighings are required to find the lightest and the heaviest coin among n coins. Prove/disprove this

4 votes
4 answers
755 views

maximum product of n numbers whose sum is k [closed]

3 votes
1 answer
288 views

Arrange candies without repeating pattern

3 votes
1 answer
216 views

Variation of 100 Prisoners' names in boxes

3 votes
1 answer
203 views

9 people sitting at a round table

3 votes
1 answer
161 views

Prove that we cannot arrange the cards according to the given rules [duplicate]

3 votes
1 answer
188 views

Conclusively solving the extreme gerrymandering puzzle

2 votes
1 answer
245 views

Prove the existence of a triangle such that all of its sides are of the same color [closed]

2 votes
2 answers
305 views

Unlock an answering machine using minimum number of digits

1 vote
1 answer
141 views

What is the greatest number of pencils that you cannot buy? [duplicate]

1 vote
1 answer
161 views

Divide a board into two pieces without cutting a domino

1 vote
2 answers
129 views

Alice and Bob play neighboring sums game version 2

0 votes
1 answer
150 views

Coloring 5 largest numbers in each row and column yields at least 25 double-colored numbers

-3 votes
1 answer
262 views

How can a liar and a truthteller prove their identities? [closed]

-4 votes
1 answer
148 views

Show that every finite directed acyclic graph has at least one source vertex [closed]

-4 votes
2 answers
145 views

maximum product of n positive integers whose sum is k [closed]