• Views : 70k+
  • Sol Viewed : 20k+

Math Brain Puzzles #1 - Tennis Tournament Planning Puzzle

Difficulty Popularity

I given the responsibility to organize the American open.

* The number of players come for this match are 64.
* Its a knock-out tournament , each player is eliminated as soon as he looses a match.

For planning these matches i need to count the number of matches that need to played in this tournament.

How many matches will be played ?

  • Views : 50k+
  • Sol Viewed : 20k+

Math Brain Puzzles #2 - Hour Glass Logical Riddle

Difficulty Popularity

I have two sand hour glasses:
1. A 7 minute one and
2. An 11 minute one.

Using just these 2 sand hour glasses, how can i measure time as 15 minutes ?

  • Views : 60k+
  • Sol Viewed : 20k+

Math Brain Puzzles #3 - Tricky Missing Piece Maths Riddle

Difficulty Popularity

Below the four parts have been reorganized. The four partitions are exactly the same in both arrangements. Why is there a hole?

  • Views : 70k+
  • Sol Viewed : 20k+

Math Brain Puzzles #4 - Next Numbers In The Series

Difficulty Popularity

What are the next three numbers in this series?

4, 6, 12, 18, 30, 42, 60, 72, 102, 108, ?, ?, ?

  • Views : 30k+
  • Sol Viewed : 10k+

Math Brain Puzzles #5 - Cross The River Riddle

Difficulty Popularity

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

  • Views : 50k+
  • Sol Viewed : 20k+

Math Brain Puzzles #6 - Math Number Riddle

Difficulty Popularity

A man wanted to get into his work building, but he had forgotten his code. However, he did remember five clues. These are what those clues were:

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?

  • Views : 70k+
  • Sol Viewed : 20k+

Math Brain Puzzles #7 - Solve This Equation Problem

Difficulty Popularity

Use the digits 1, 2, 3, 4, 5 and 6 once only, in this multiplication sum to make it correct.

? ?
x ?
-------
? ? ?

  • Views : 60k+
  • Sol Viewed : 20k+

Math Brain Puzzles #8 - Math Problem

Difficulty Popularity

Suppose I am a grandfather. My grandson is about as old in days as my son is in weeks. He is also as many months old as I am in years. Together, the three of us are 140 years old. How old am I ?

  • Views : 70k+
  • Sol Viewed : 20k+

Math Brain Puzzles #9 - Math Problem For Kids

Difficulty Popularity

Pooja is selling her books at puzzles land at a strange price as
* she sells her book "Vanity" at $30
* she sells her book "Sybil" at $25
* she sells her book "xmen" at $20

At what price does she sell her book "twilight" ?

  • Views : 60k+
  • Sol Viewed : 20k+

Math Brain Puzzles #10 - Easy Distance Problem

Difficulty Popularity

Two friends Simpson & Stewie decide to get together

So they start driving cars towards each other. They plan to meet halfway. Each is riding at 6 Km/hr. They live 36 kms apart. Stewie has a pet "eagle" and it starts flying the instant they start traveling. The eagle flies back and forth at 18 Km/hr between them until the two meet.

How many kms does the eagle travel ?

  • Views : 30k+
  • Sol Viewed : 10k+

Math Brain Puzzles #11 - Age Riddle

Difficulty Popularity

Hulk is older than Pedro. Pedro is younger than Ozil and younger than Ronaldo. Ronaldo is older than Hulk and Nani, who are older than Ozil.If Nani and Hulk are twins, who's oldest?


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