How to bell the CAT..: base sys...

Friday, March 13, 2009

Let N=2³3⁴5⁶ , How many ordered pairs (a,b) exist if h.c.f.(a,b) = 1 & a and b are factors of N??

shaveta thakur said...: 108?; March 22, 2009 at 8:07 AM
shaveta thakur said...: plus 216 also i guess ..so ans is 324 ?????
plz do tell me exact ans if m wrong; March 22, 2009 at 9:10 AM
monika b said...: hi shaveta ....welcm 2 d blog...m sry ans is nt ds..; March 26, 2009 at 6:46 AM
isha said...: hey mam is d ans 1944??; April 9, 2009 at 10:57 AM
Unknown said...: the ans is 409
[(a+1)(b+1)-1]+ab
first solve 4 two powers and den 4 d result and third power; July 1, 2009 at 11:24 PM
monika b said...: hi sfd...ur ans is correct...bt 4 d sake of convenience of others...plz solve it....; October 31, 2009 at 1:14 AM