Showing category "Mathematics" (Show all posts)

Math Puzzle of the Month of June 2012

Posted by Omar Mughal on Sunday, May 13, 2012, In : Mathematics 
Here's the solution to the puzzle of March:

 The point is that you need to arrive at a situation where "either the fake coin is lighter and is one of these coins; or the fake coin is heavier and is one of those coins".

The first weigh is: 4 vs 4

We will consider 2 cases:

A) the left side is heavier than the right side
B) the two sides are of the same weight

for A) the fake coin is on the scale, that means the remaining coins are all real, for ease of explanation we name the coins as follows:

H1, H2,...

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Solution to Math Puzzle of the Month of January 2012 and Math Puzzle of the Month of March 2012

Posted by Omar Mughal on Tuesday, February 28, 2012, In : Mathematics 
Hello everyone. Sorry about missing out on the "Math Puzzle of the Month of February 2012", but, anyways, this is the solution to the puzzle of January.

The last month on the calendar is July 2014.  If you look at it all of the titles are blue violet except for 28 titles.  This means all of them are of July except for 28 months.  In one year, 11 months would not be July.  How many times can 11 fit into 28?

28 / 11 = 2 R6

Okay. This means that so far, two years have passed.  The next month is Ja...
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Solution to December 2011 Puzzle and Math Puzzle of the Month of January 2012

Posted by Omar Mughal on Saturday, December 31, 2011, In : Mathematics 
Solution for December:

 There are 44 kids in the circle.  If you think about it, a circle with 4 children will have the 1st kid opposite the 3rd, and the 2nd kid opposite the 4th.  If I told you only that the 2nd kid is opposite of the 4th, you would solve it like this:

4 (4th child) - (opposite of) 2 (2nd child) = 2 (2 kids inside half of the circle)
2 (2 kids inside half the circle) * 2 = 4 (4 kids in the entire circle)

The same math applies for the math puzzle of the month:

29 - 7 = 22
22 * 2 = ...
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Math Puzzle of the Month of December 2011: Ring of Children

Posted by Omar Mughal on Thursday, December 1, 2011, In : Mathematics 
Some children were standing in a circle.  The 7th was standing opposite of the 29th kid.  How many kids are in this ring?
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About Me


I'm a 11-year-old resident of Irvine, California who loves mathematics. Let me tell you, I really like math. Calculations are really easy for me, but that's not it. I also get straight A's on all the other subjects like science, which is my second favorite subject, reading, music, social studies, and more. I'm a guy who wants to handle statistics when I grow up, or I could be a chemist. I am also eager for a great future. My name is Omar Mughal, and that's about me!

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