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Re: Nairaland Interschool Debate Fourth Edition Participation Thread by alokmridha: 4:04am On Nov 29 |
be Read all types of general knowledge and current affairs in english online to get govt job easily. Here I am going to show you how to prepare you online by visiting this site. GkIndia Is the best website to read and practice GK and current affairs. https://www.bengalireader.com/2018/11/gk-in-bengali-for-all-competitive-exam.html is the website link. Read history, geography, science, politics and all type of GK and current affairs here. |
Re: Nairaland Interschool Debate Fourth Edition Participation Thread by alokmridha: 4:05am On Nov 29 |
be Read all types of general knowledge and current affairs in english online to get govt job easily. Here I am going to show you how to prepare you online by visiting this site. GkIndia Is the best website to read and practice GK and current affairs. https://www.bengalireader.com is the website link. Read history, geography, science, politics and all type of GK and current affairs here. |
Re: Nairaland Interschool Debate Fourth Edition Participation Thread by avvymalhotra: 3:58pm On Dec 05 |
very good writes you are share. thank you Cymn Bsnl |
Re: Nairaland Interschool Debate Fourth Edition Participation Thread by Willybos(m): 6:03pm On Dec 05 |
Maths Gurus pls help me with this calculation! Quantitative Reasoning. A house wife forgot her bank 'ATM PIN' which is a four digit number, but luckily she remembered some hints on how to recall this 'PIN' Here are some of the clues (1) The 1st digit is half of the 2nd (2) The sum of the 2nd and 3rd is 10 (3) The 4th is equal to the 2nd plus 1 (4) The sum of all the digits is 23 What is the ATM PIN ? |
Re: Nairaland Interschool Debate Fourth Edition Participation Thread by ignosi: 1:49am On Dec 08 |
Willybos: Answer is 4829 Explanation: Given that first digit is half of the second digit that mean second digit is double of first digit. Let us asuume, the first digit be x Therefore, the second digit be 2x. Given that the sum of second and Third digit = 10 2x + 3rd digit = 10 3rd digit = 10 - 2x 4 th digit = 2 nd digit + 1 = 2x + 1 Now we have, all the four digits of a number = x, 2x 10-2x and 2x+1 Given Sum of all digits = 23 x + 2x + 10 - 2x + 2x + 1 = 23 3x + 11 = 23 3x = 23 - 11 3x = 12, x = 4 Therefore, Four digits are 4, 8, 2, 9 |
Re: Nairaland Interschool Debate Fourth Edition Participation Thread by Willybos(m): 1:47pm On Dec 08 |
ignosi:Thank u so much!! |
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