Divisors of a Number  

Re: Divisors of a Number  
Lagey Raho TG Bhai ! ! ! 
Re: Divisors of a Number  
Rule 2 from Top: number of even divisors of N = (b + 1)(c + 1).. should nt it be odd 
Re: Divisors of a Number  
excellent article.plz post something on range and domain.. 
Re: Divisors of a Number  
Hi!!!!!!! great TG but i aspect that u r creat more link like this soon... 
Re: Divisors of a Number having unit dig 5  
thnx atul...so nice of u 2 rep.... 
Re: Divisors of a Number having unit dig 5  
can sm1 plz explain d concept behind d sum of even divisors of 2^5 3^5 5^4..................plz it will b a gr8 help regards 
Re: Divisors of a Number having unit dig 5  
thnx 
Re: Divisors of a Number  
Hi Total Donkey, Don't take 3 and 6. 3 is a divisor of 6. Prime to means prime to 3 anyways. Total Gadha 
Re: Divisors of a Number  
fine TG ur work is excellent... u impressed me a lot kindly issue some more tips plss 
Re: Divisors of a Number  
Hi Total Donkey, Thanks for correcting me. Have corrected the error. Total Gadha 
hi tg  
please explain me again as to how to find out "how many of the first 1200 natural numbers are either prime to 6 or to 15?"

Re: hi tg  
hey tg plz help me....tel me how to do this...how many numbers less than 1200 are either prime to 6 or to 15? 
Re: Divisors of a Number  
Hi Tg thanks for your great materials they are very useful can u please explain this find the highest power 0f 12 that divides 5^361 
Re: Divisors of a Number  
Boss...hats off... 
Re: Divisors of a Number having unit dig 5  
Hi sir, Its awesome thanks a ton Regards Sam 
Re: sum of reciprocals of divisors  
Hi Dibya Its 1170/360 = 3.25 
Re: sum of reciprocals of divisors  
Thanks kamal....... 
Re: hi tg  
How many integers between 1 and 1000, both inclusive, can be expressed as the difference of the squares of two non negative integers?... How to solve this???... 
Re: hi tg  
How many integers between 1 and 1000, both inclusive, can be expressed as the difference of the squares of two non negative integers?... How to solve this???... 
Re: hi tg  
Hi nishant, can u plz tell me where the answers are given??? 
Re: hi tg  
30? m ll confused .....is this qs complete?

Re: hi tg  
hey nidhi cud u pls elaborate ur solution.... diff of squares of two numbers.......?? 
Re: hi tg  
hey nishant kumar m getting ans as 1083..nd i hv verified ...m correct.. 
Re:How many integers between 1 and 1000, both inclusive, can be expressed as the difference of the squares of two non negative integers?...  
1 = 1^2  0^2 4 = 2^2  0^2 
Re: Divisors of a Number  
Hi , can anybody help me in explaining , why in the last problem 2*320 is done ? 
Re: Divisors of a Number  
in the last Q is'nt it should be (prime no to 6+ prime no to 15  prime no to both 6 and 15.) 
Re: Divisors of a Number  
Nope Akhil, we have to completely neglect the numbers which are prime to both 6 and 15. We had counted them twice hence subtracted twice. 
Re: Divisors of a Number  
@amar goswami now we have to learn english first before doing quant questions thx a lot to u and to tg sir for such a nice Question 
Re: Divisors of a Number  
great work toal donkey.. blessed to have students like u in TG fraternity.. thanks to TG 2 
Re: Divisors of a Number  
Hi Pallav Is the answer 639?? 
Re: Divisors of a Number  
hey,nice article .. If we can solve below q with approach given above , pl help .. Q> How many odd numbers between 150 and 350 are divisible neither by 9 nor by 11? 
Re: Divisors of a Number  
That's correct In lonely planet i leave Kamal Lohia 
Re: Divisors of a Number  
Thanks a lot sir!!! 
Re: Divisors of a Number  
589 is the ans? 