add the line on pluss sign to be 4 5 + 5 4 5 = 550 To: From: love19_foryou@... Date: Thu, 12 Apr 2012 15:29:31 +0800 Subject: [MATH for FUN] [Daily...
15473
lavesh rawat
love19_foryou
Apr 14, 2012 1:51 pm
Who's the Youngest Puzzle  - 14 April Bipasha is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a...
15476
lavesh rawat
love19_foryou
Apr 16, 2012 1:14 pm
Puzzle Of Math  - 16 April At a local village gala, the entire population turned up, 500 people. The event raised £3,000. Tickets were priced as follows: ...
15477
MorphemeAddict
lojbaner
Apr 16, 2012 4:45 pm
As I see it, this is a Diophantine case of three variables in two equations. Let M=number of men, W=number of women, and C=number of children. I also assume...
15478
bqllpd
Apr 16, 2012 6:15 pm
I found that the minimal etches using a 1:12 ratio of c.o.m. is 8. Minimal etches for the centroid of 12 points using fixed opening compass is 45. Combining...
15479
Journals IJI / IJAI /...
eic_iji
Apr 17, 2012 2:20 pm
International Journal of Mathematics and Computation (IJMC). ISSN 0974-570X (Online); ISSN 0974-5718 (Print) ...
15480
bqllpd
Apr 18, 2012 2:31 pm
"I am tired of worshipping a fairy-tale `God' and leaving the future to the whim of idiots and fanatics. I will take the reins of the world into my own hands...
15481
bqllpd
Apr 18, 2012 3:15 pm
this is all fact. do some digging. call places. Berkely knows that there's a universal key decryption algorithm in a simple proof of FLT. It's this. nth root...
15482
iptoc
Apr 19, 2012 6:28 am
Akio has one more coin than Bansi. They throw all of their coins and count the number of heads. If all the coins are fair, what is the probability that Akio...
15483
lavesh rawat
love19_foryou
Apr 19, 2012 1:35 pm
Equation Riddle  - 19 April ABCDEFGH*H=AAAAAAAAA What is H? Update Your Answers at : Click Here Solution Will be updated after 1 day --       ...
15484
MorphemeAddict
lojbaner
Apr 19, 2012 8:20 pm
H=9. 12345679 * 9 = 111111111 But I just knew that already. No thinking required. stevo ... [Non-text portions of this message have been removed]...
15485
video_ranger
Apr 20, 2012 2:11 pm
One way to see the answer is 1/2 is to consider the following game which can be shown to be equivalent to the problem but is manifestly fair (both players have...
15486
iptoc
Apr 22, 2012 7:13 am
Given the number of positive divisors of an unknown positive integer and the product of the divisors, how can one find the unknown integer? In other words, if ...
15487
lavesh rawat
love19_foryou
Apr 24, 2012 12:42 pm
Mathematical Puzzle  - 24 April 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...
15488
Yahya Mohammed
yahya263
Apr 24, 2012 1:47 pm
Here is the solution: Grand Son: 7 Yrs Son: 49 Yrs Grand Father: 84 Yrs ... -- Regards Yahya [Non-text portions of this message have been removed]...
15489
MorphemeAddict
lojbaner
Apr 25, 2012 6:22 am
A = my age B = my son's age C = my grandson's age A = 12 * C B = 7 * C A + B + C =140 12 * C + 7 * C + C = 140 20 * C = 140 C = 7 B = 49 A = 84 stevo ... ...
15490
video_ranger
Apr 26, 2012 2:40 pm
Each divisor d1 has a unique co-divisor d2 = n/d1. The set of all divisors consists of k/2 such pairs. Each pair contributes a factor of n to m: m = n^(k/2) ...
15491
iptoc
Apr 28, 2012 7:28 pm
... I think this solves the problem partially because this argument works for non-perfect-squares only. This argument doesn't work for perfect squares. For...
15492
iptoc
Apr 29, 2012 9:31 am
How many positive integers n are there such that 10^(10^(10^n)) + 10^(10^n) + 10^n − 1 is prime? -- Originally posted at: http://cotpi.com/p/49/ ...
15493
video_ranger
Apr 29, 2012 1:01 pm
Yes, good point - if sqrt(n) is an integer there are (k-1)/2 pairs along with sqrt(n): m = n^((k-1)/2)*sqrt(n) = n^(k/2)...
15494
video_ranger
Apr 29, 2012 11:33 pm
The question is what values of n make 10^(10^(10^n)) + 10^(10^n) + 10^n - 1 prime. I don't think there's any simple way to prove any particular large number is...
15495
Mark Spencer
markspencer232
May 1, 2012 1:01 pm
Link to the source: http://www.science-and-mathematics.blogspot.com Choosing the appropriate mathematical book to begin your learning is very...
15496
lavesh rawat
love19_foryou
May 1, 2012 1:01 pm
Simple Logical Problem  - 1 May Michael have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a...
15497
iptoc
May 6, 2012 10:16 am
There are two sequences of natural numbers. The first sequence consists of all natural numbers that do not contain a particular digit, in ascending order. The...
15498
lavesh rawat
love19_foryou
May 7, 2012 7:33 pm
Famous Science Problem - 7 May You are in a room with no metal objects except for two iron bars . Only one of them is a magnet. How can you identify...
15499
MorphemeAddict
lojbaner
May 8, 2012 12:00 am
Hmmm, break the bars in two and use the pieces? stevo ... [Non-text portions of this message have been removed]...
15500
Marimuthu Pandiarajan
newpandian
May 8, 2012 10:06 am
hand both bars. one should point north and south pole is magnet. To: mathforfun@yahoogroups.com From: lytlesw@... Date: Mon, 7 May 2012 20:00:13 -0400 ...
15501
lavesh rawat
love19_foryou
May 8, 2012 12:56 pm
Logical Problem  - 4 May A shopkeeper sell stuff as : Buy 1 for Rs 1.0 10 for Rs 2.0 100 for Rs 3.0 I needed 913 and still i only paid Rs 3.0 How could this...
15502
MorphemeAddict
lojbaner
May 8, 2012 1:57 pm
913 is more than 100, and less than 1000, the cut-off point for Rs 4.0. The prices are (apparently) based on the logarithm base 10 of the number of items sold....
15503
MorphemeAddict
lojbaner
May 8, 2012 1:59 pm
What does "hand both bars" mean? stevo On Tue, May 8, 2012 at 6:03 AM, Marimuthu Pandiarajan ... [Non-text portions of this message have been removed]...
