Guest Posted June 3, 2008 Report Share Posted June 3, 2008 Find the next number in the pattern. Easy 17, 18, 20, 23, 28, 35, ? Medium 0, 1, 8, 38, 403, ? Hard (let's see how long it will take you...) -4, -3.875, 11,875, 103, 2056.125, 16762.25, ? If you find that you can't arrive at an answer: 1. Your not good enough at math. or 2. I made a mistake in my math or there is some sort of typo. Good luck! Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 3, 2008 Report Share Posted June 3, 2008 For the easy... 44? And no idea for the others. Only brute forcing it here. >_> Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 3, 2008 Report Share Posted June 3, 2008 For the easy... 44? And no idea for the others. Only brute forcing it here. >_> sorry that is incorrect. and i should of made this clear before but explain how you arrived at your answer. Quote Link to comment Share on other sites More sharing options...
0 akaslickster Posted June 3, 2008 Report Share Posted June 3, 2008 (edited) due to a wrong answer for the first, try. I guess 36 is next as you are starting over again by eliminating 0 as from 17, 18 in the beginning??? Edited June 3, 2008 by akaslickster Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 3, 2008 Report Share Posted June 3, 2008 46 1 is added to the first one and each one after that is added to the next prime number. 35-28=7 so the next prime number is 11 11+35=46 Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 3, 2008 Report Share Posted June 3, 2008 due to a wrong answer for the first, try. I guess 36 is next as you are starting over again by eliminating 0 as from 17, 18 in the beginning??? No. Prime numbers. Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 3, 2008 Report Share Posted June 3, 2008 Find the next number in the pattern. Easy 17, 18, 20, 23, 28, 35, ? Medium 0, 1, 8, 38, 403, ? Hard (let's see how long it will take you...) -4, -3.875, 11,875, 103, 2056.125, 16762.25, ? If you find that you can't arrive at an answer: 1. Your not good enough at math. or 2. I made a mistake in my math or there is some sort of typo. Good luck! For Easy - Assuming that 17 is simply an arbitrary starting place, the next number in the series is 46. Beginning with 17, add the successive prime numbers to the preceding term, beginning with 1. Thus, the numbers added to the preceding terms are 1, 2, 3, 5, 7, 11. For Medium, I think I understand where the numbers shown come from (see next spoiler), but I'm not sure what comes next. Number of days in a day (1) plus number of days in a week, plus number of days in a month (31?) plus number of days in a year. But what's the next "bundle"? Haven't tried Hard yet. Bedtime now. Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 3, 2008 Report Share Posted June 3, 2008 the numbers in easy series are 46, 59, 76, 95....... Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 3, 2008 Report Share Posted June 3, 2008 For Easy - Assuming that 17 is simply an arbitrary starting place, the next number in the series is 46. For Medium, I think I understand where the numbers shown come from (see next spoiler), but I'm not sure what comes next. Number of days in a day (1) plus number of days in a week, plus number of days in a month (31?) plus number of days in a year. But what's the next "bundle"? Haven't tried Hard yet. Bedtime now.Beginning with 17, add the successive prime numbers to the preceding term, beginning with 1. Thus, the numbers added to the preceding terms are 1, 2, 3, 5, 7, 11. Good. You have solved easy and your very close on medium. I g2g too, cya tomorrow. Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 3, 2008 Report Share Posted June 3, 2008 (edited) Easy: Assuming 17 is a random starting point, I get 46. Medium: 4058? Days in a day, then days in a week, then days in a month, then days in a year, then days in a decade (giving it two leap years...). I'm not going to try Hard tonight... Edited June 3, 2008 by Protoguy Quote Link to comment Share on other sites More sharing options...
0 Gambit Posted June 3, 2008 Report Share Posted June 3, 2008 (edited) 46... you're adding prime numbers to the sequence... Still working on the others Edited June 3, 2008 by Gambit Quote Link to comment Share on other sites More sharing options...
0 Gambit Posted June 3, 2008 Report Share Posted June 3, 2008 ok, i know your adding days in the year to the series. starting with 1 day, then 7 days(week), then 30(month), then 365(year).... but what comes next? is it a leap year(366) or a century(aprox 36500) or a decade(aprox 3650) Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 3, 2008 Report Share Posted June 3, 2008 (edited) 57 4053 Edited June 3, 2008 by Tolits Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 3, 2008 Report Share Posted June 3, 2008 I am assuming that the third number in the 'hard' sequence is eleven point eight seven five, and not eleven thousand eight hundred seventy five. Am i assuming wrong? Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 3, 2008 Report Share Posted June 3, 2008 (edited) Is the next number 238207.375? If it is then the formula is a[n]=a[n-1] + (5^3)*('next prime number' ^ 6) * 0.001. If this is correct, your third number doesn't match, it should be 4.125, and the rest of the sequence should be adjusted. Edited June 3, 2008 by Octa Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 3, 2008 Report Share Posted June 3, 2008 Nice one octa! You beat me to the punch. I believe octa is right, and the third number is incorrect. I got 238207.375 as the next number in the stated sequence and 4.125 as the correct third number as well. However, i have a different formula, a little more elegant, i believe: X[n] = X[n-1] + (P[n]^6)/8 ;where P[n] are the prime numbers including 1. Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 3, 2008 Report Share Posted June 3, 2008 Good. You have solved easy and your very close on medium. I g2g too, cya tomorrow. For Easy: Actually in modern mathematics, the number 1 is not considered prime, otherwise the fundamental theorem of arithmetic would not be true. This theorem affirms that every natural number greater than 1 can be written as a unique product of prime numbers (not considering the order). Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 3, 2008 Report Share Posted June 3, 2008 ok, i know your adding days in the year to the series. starting with 1 day, then 7 days(week), then 30(month), then 365(year).... but what comes next? is it a leap year(366) or a century(aprox 36500) or a decade(aprox 3650) A decade (with two leap years) 405357 Incorrect I am assuming that the third number in the 'hard' sequence is eleven point eight seven five, and not eleven thousand eight hundred seventy five. Am i assuming wrong? right. it is 11.875 Is the next number 238207.375? If it is then the formula is a[n]=a[n-1] + (5^3)*('next prime number' ^ 6) * 0.001. If this is correct, your third number doesn't match, it should be 4.125, and the rest of the sequence should be adjusted. You have the right number, but... the third number in the pattern is correct. Your not using the formula I want. Nice one octa! You beat me to the punch. I believe octa is right, and the third number is incorrect. I got 238207.375 as the next number in the stated sequence and 4.125 as the correct third number as well. However, i have a different formula, a little more elegant, i believe: X[n] = X[n-1] + (P[n]^6)/8 ;where P[n] are the prime numbers including 1. Same as above. For Easy: Actually in modern mathematics, the number 1 is not considered prime, otherwise the fundamental theorem of arithmetic would not be true. This theorem affirms that every natural number greater than 1 can be written as a unique product of prime numbers (not considering the order). I dont care. <_< Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 4, 2008 Report Share Posted June 4, 2008 Could it be (by any chance) that in the sequence labeled 'hard' that the second number should be -3.750 instead of -3.875? Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 4, 2008 Report Share Posted June 4, 2008 Could it be (by any chance) that in the sequence labeled 'hard' that the second number should be -3.750 instead of -3.875? nope. Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 4, 2008 Report Share Posted June 4, 2008 easy is simply the primes, so 46, 59, 76, etc. medium is days in a day, week, month year, and i'm guessing its decade so with two leap years the next term is 4055 still working on hard.... Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 5, 2008 Report Share Posted June 5, 2008 Alright now somebody has to figure out the formula for hard. Good luck! Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 5, 2008 Report Share Posted June 5, 2008 (edited) -4 -3.875 11,875 103 2056.125 16762.25 you start at -4. you get to -3 because you add 1. 4x2 = 8 so -3.8 and 3 quarters are 75 cents and then you have a grand total of 3.875! 4 + 3 = 11 and then I guess you make the decimal (.) a comma?(,) I hope I'm on the right track, but prolly not x_x Edited June 5, 2008 by Chippy Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 5, 2008 Report Share Posted June 5, 2008 -4 -3.875 11,875 103 2056.125 16762.25 you start at -4. you get to -3 because you add 1. 4x2 = 8 so -3.8 and 3 quarters are 75 cents and then you have a grand total of 3.875! 4 + 3 = 11 and then I guess you make the decimal (.) a comma?(,) I hope I'm on the right track, but prolly not x_x Yeah sorry but, not even close. Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 5, 2008 Report Share Posted June 5, 2008 11,875 103 Now, if you take the last 2 digits (for some reason) 5 + 5 = 10 and you take that 10 - 7 = 3, so 103. Quote Link to comment Share on other sites More sharing options...
0 Guest Posted June 5, 2008 Report Share Posted June 5, 2008 Yeah sorry but, not even close. Lol, there's no logic for the stuff I do xD. I jut do it and hope it's right :X Quote Link to comment Share on other sites More sharing options...
Question
Guest
Find the next number in the pattern.
Easy
17, 18, 20, 23, 28, 35, ?
Medium
0, 1, 8, 38, 403, ?
Hard (let's see how long it will take you...)
-4, -3.875, 11,875, 103, 2056.125, 16762.25, ?
If you find that you can't arrive at an answer: 1. Your not good enough at math.
or 2. I made a mistake in my math or there is some sort of typo.
Good luck!
Link to comment
Share on other sites
29 answers to this question
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.