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Government Jobs Exams
10) What is the lowest integer which is divisible by each of 1 through 7, inclusive?
a) 420
b) 840
c) 1260
d) 2520
Read Solution (Total 1)
-
- ans=(a).420
taking the L.C.M of 1,2,3,4,5,6 & 7
2|1,2,3,4,5,6,7
-|-------------
2|1,1,3,2,5,3,7
-|-------------
3|1,1,3,1,5,3,7
-|-------------
5|1,1,1,1,5,1,7
-|-------------
7|1,1,1,1,1,1,7
-|-------------
_|1,1,1,1,1,1,1
L.C.M=2*2*3*5*7=420 - 11 years agoHelpfull: Yes(1) No(0)
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