Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Section - B
The total number of 4-digit numbers whose greatest common divisor with 18 is 3, is
Text Solution
Verified by ExpertsThe correct answer is:
1000
(1000) Since, required number has G.C.D with 18 as 3 . It must be odd multiple of ' 3 ' but not a multiple of ' 9 '.
(i) Now, 4-digit number which are odd multiple of ' 3 ' are, 
(ii) 4-digit number which are odd multiple of 9 are, 1017,1035, ............ 
Required numbers 
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