Wednesday

April 16, 2014

April 16, 2014

Posted by **Shanaynay** on Tuesday, February 21, 2012 at 5:54pm.

- math -
**MathMate**, Tuesday, February 21, 2012 at 9:39pmTry to select 15 numbers among the 100, such that the difference between successive numbers are distinct!

If you cannot, the probability is 1.0!

- math -
**MathMate**, Tuesday, February 21, 2012 at 10:47pmFor example, take successive differences of 1,2,3,4,5....14, we get

1,2,4,7,11,16,22,29,37,46,56,67,79,92,105

(105 is the 15th number), so it is not possible to have 14 distinct difference using numbers between 1 and 100.

This is not even counting 7-2=5, 16-11=5, etc.

Since it is impossible to select 15 numbers between 1 and 100 such that the successive differences are distinct, we are always able to choose two pairs of numbers out of any 15 numbers such that the differences are equal.

The probability is therefore 1.

**Related Questions**

math - list all numbers from the given set {-9,-4/5,0,0.25,/3,9.2,/100} that are...

math grids - please can someone help me with this math grid here is a grid with ...

math - 4 numbers are placed in a bag. two are removed and total 2.4. The numbers...

math - Find two of the three possible numbers that can be placed in the set ...

Math problems - i am two numbers, the sum of my numbers is 1000, the diffrence ...

math - how to use hundreds chart to answer this;(1)what % of the numbers are ...

math - Matt has a magic number basket. The only numbers that can be placed in ...

math - How many numbers are composite out of these? 17,20,19,25,24,100 4 numbers...

math URGENT!!!! - i have a list of 5 different numbers. the sum of 2 of the ...

Math - Ray wanted to put his tomato plants in rows with the same numbers of ...