- The answer is 66.Its done in this way:270/5 = 54 ( lowest integer)54/5 = 1010/5 = 2Total 0s= 54+10+2 = 66
wrote:*meet_sva <meet_sva@...>*

find how many zeros are there in the end of 270 !`Ascent Education`

An IIM Alumni Venture

Class for CAT, XAT, GRE, GMAT

http://www.ascenteducation.com

Archives of past CAT questions can be viewed at http://questions.ascenteducation.com

IIM CAT Preparation tips at

http://iimcat.blogspot.com**Yahoo! India Matrimony**: Find your partner online. - No of zeros after 270!:

No of factors giving 2=270/2=135

No of factors giving 4=270/4=67

No of factors giving 8=270/8=33

No of factors giving 16=270/16=16

No of factors giving 32=270/32=8

No of factors giving 64=270/64=4

No of factors giving 128=270/128=2

No of factors giving 256=270/256=1

No of factors giving 5=270/5=54

No of factors giving 25=270/25=10

No of factors giving 125=270/125=2

hence 270! is divisible by (5 to the power 66) * (2 to the power of 266)

hence it is divisible by 10 to the power of 66

hence no of zeros in 270!=66

VAIBHAV SAXENA

B-tech Chemical Engg(4th yr)

IIT-KGP

On Tue, 24 Aug 2004 04:42:43 -0000, meet_sva <meet_sva@...> wrote:

>

>

> find how many zeros are there in the end of 270 !

>

>

> Ascent Education

> An IIM Alumni Venture

> Class for CAT, XAT, GRE, GMAT

> http://www.ascenteducation.com

>

> Archives of past CAT questions can be viewed at http://questions.ascenteducation.com

>

> IIM CAT Preparation tips at

> http://iimcat.blogspot.com

> Yahoo! Groups Links

>

>

>

>

> - to find the number of zeros at end of any factorial given:1.so,270!,first find which power of five is nearest to 270.so,5 power 3 is 225.it is nearest to 270.therefore,divide 270 by both 5 and 225.i.e. 270/225=1.6....,so leave the numbers after point.take only 1.now 270/5=54. so ,there r total 1+54=55 zeros in the result of 270!.
wrote:*arpita bhargava <arpita_bhargava@...>*The answer is 66.Its done in this way:270/5 = 54 ( lowest integer)54/5 = 1010/5 = 2Total 0s= 54+10+2 = 66wrote:*meet_sva <meet_sva@...>*

find how many zeros are there in the end of 270 !`Ascent Education`

An IIM Alumni Venture

Class for CAT, XAT, GRE, GMAT

http://www.ascenteducation.com

Archives of past CAT questions can be viewed at http://questions.ascenteducation.com

IIM CAT Preparation tips at

http://iimcat.blogspot.com**Yahoo! India Matrimony**: Find your partner online.`Ascent Education`

An IIM Alumni Venture

Class for CAT, XAT, GRE, GMAT

http://www.ascenteducation.com

Archives of past CAT questions can be viewed at http://questions.ascenteducation.com

IIM CAT Preparation tips at

http://iimcat.blogspot.com**Yahoo! India Matrimony**: Find your life partner online.