Kumaran1987

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Problem Solving : Permutation and combination Problem 1 : In how many ways can the letter of the word PROPORTION be arranged by taking 4 letters at a time?

By Kumaran Kanniappan November 26, 2012

In how many ways can the letter of the word PROPORTION be arranged by taking 4 letters at a time? Solution: P R O P O R T I O N below I've wrote letters without repeated words and then how many times particular word repeated P R O T I N P R O O Here (P, P) 2 P, (R, R) 2 R, and (O,O,O) 3 O from the question here we gonna select 4 words hence we have the following chance to select those 4 words Chance 1: 3 O and remaining 1 are different (That means (O,O,O)--> 3 word and (P,R,T,I,N) ---> 1 word from the 5) Chance 2: two of same words and other two of the same words (here (O,O,O), (T,T) and (P,P) out of 3 pairs we gonna select 2 pair of words ) Chance 3: Two of same words and other two are different words (here (O,O,O), (T,T) and (P,P) out of 3 pairs we gonna select 1 pair of word and other 2 word from (R, O, I, N, T) words consider P,P has been selected pair ) Chance 4: All 4 are different ( here P, R, O, T, I , N out of 6 we gonna select 4 words

Microprocess Microconroller mcq 1000+

By Kumaran Kanniappan November 16, 2012

Microprocess Microconroller mcq 1000+ from Senthil K

MySQL failed to start on Linux. 0 upgraded, 0 newly installed, 0 to remove and 464 not upgraded.

By Kumaran Kanniappan October 02, 2012

root@ubuntu:~# sudo apt-get install mysql-server Reading package lists... Done Building dependency tree Reading state information... Done mysql-server is already the newest version. 0 upgraded, 0 newly installed, 0 to remove and 464 not upgraded. The above installation error appearing while I've try to install my sql server, so it shows that installation has been broken, so you need to remove all the my sql server logs which are partially installed on linux, then again install it as the following steps, apt-get purge mysql-server apt-get purge mysql-common rm -rf /var/log/mysql rm -rf /var/log/mysql.* rm -rf /var/lib/mysql rm -rf /etc/mysql # and then: apt-get install mysql-server --fix-missing --fix-broken"

fatal error function name must be a string in php

By Kumaran Kanniappan October 01, 2012

In this below PHP programming I came across the following error <?php $user_ip = $_SERVER('REMOTE_ADDR'); echo $user_ip; ?> it gives the error output in browser as " fatal error function name must be a string on line 2 " so after checking that code I used ('REMOTE_ADDR') instead of ['REMOTE_ADDR'] so this could be the error free coding <?php $user_ip = $_SERVER ['REMOTE_ADDR']; echo $user_ip; ?> o/p 127.0.0.1

10 Amazingly Simple Tricks To Turn Your Brain Into A Powerful Thinking Machine

By Kumaran Kanniappan August 02, 2012

10 Amazingly Simple Tricks To Turn Your Brain Into A Powerful Thinking Machine There are two basic principles to keep your brain healthy and sharp as you age: variety and curiosity. When anything you do becomes second nature, you need to make a change. If you can do the crossword puzzle in your sleep, it's time for you to move on to a new challenge in order to get the best workout for your brain. Curiosity about the world around you, how it works and how you can understand it will keep your brain working fast and efficiently. Use the ideas below to help attain your quest for mental fitness. 1. Read a Book Pick a book on an entirely new subject. Read a novel set in Egypt. Learn about economics. There are many excellent popular non-fiction books that do a great job entertaining you while teaching about a subject. Become an expert in something new each week. Branch out from familiar reading topics. If you usually read history books, try a contemporary novel. Read foreig

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