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Math Logic Puzzles

Math Logic Puzzles 1 : Maths Classic Race Puzzle
Difficulty ★★★★☆        Popularity ★★★★☆

Lavesh, Bolt, and Lewis race each other in a 100 meters race. All of them run at a constant speed throughout the race.

Lavesh beats Bolt by 20 meters.
Bolt beats Lewis by 20 meters.

How many meters does Lavesh beat Lewis by ?

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Math Logic Puzzles 2 : Marbles Puzzle
Difficulty ★★☆☆☆        Popularity ★★★★☆

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box ?

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Math Logic Puzzles 3 : Logical Number Problem
Difficulty ★★☆☆☆        Popularity ★★★★☆

According to number theory of mathematics , a perfect number is a positive integer that is equal to the sum of its positive divisors excluding the number itself.
For example :
6 => 1+2+3
28 =>1+2+4+7+14

I know one more number that is a perfect number and contains not more than 2 digits (i.e 496 won't be consider as it contains 3 digits).

Find the number ?

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Math Logic Puzzles 4 : Logical Maths Picture Puzzle
Difficulty ★★★☆☆        Popularity ★★★★☆

Solve the maths equation in the picture below by placing the numbers 1 through 9 into the boxes so that all the 3 equations are correct.

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Math Logic Puzzles 5 : Interesting Maths Puzzle
Difficulty ★★★★☆        Popularity ★★★★☆

A women walks into a bank to cash out her check.
By mistake the bank teller gives her rupee amount in change, and her paise amount in rupees.
On the way home she spends 5 paise, and then suddenly she notices that she has twice the amount of her check.

How much was her check amount ?

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Math Logic Puzzles 6 : Hard Thinking Riddle
Difficulty ★★★★★        Popularity ★★★★☆

Which is the smallest number that you can write using all the vowels exactly once.?

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Math Logic Puzzles 7 : Logic Riddle
Difficulty ★★☆☆☆        Popularity ★★★☆☆

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

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Math Logic Puzzles 8 : Funny Logical Maths Puzzle
Difficulty ★☆☆☆☆        Popularity ★★★☆☆

If
1 = 5 ,
2 = 25 ,
3 = 325 ,
4 = 4325

Then 5 = ?

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Math Logic Puzzles 9 : Logical Maths Science Riddle
Difficulty ★★★☆☆        Popularity ★★★☆☆

When Manish was three years old he hammered a nail into his favorite tree to mark his height. Six years later at age nine, Manish returned to see how much higher the nail was. If the tree grew by five centimeters each year, how much higher would the nail be?

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Math Logic Puzzles 10 : Maths Logic Puzzle
Difficulty ★★★☆☆        Popularity ★★☆☆☆

There is hypothetical state between india and pakistan border 'paglapur'.
Here 70 percent of the population have defective eyesight, 75 percent are hard of hearing, 80 percent have sinus trouble and 85 percent suffer from allergies, what percentage (at a minimum) suffer from all four ailments?

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