A group of 1200 persons consisting of Captains and soldiers
is traveling in a train. If for every 15 soldiers there is
one Captain, then the number of Captains in the group is
(1) 70
(2) 75
(3) 80
(4) 82
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Answer Posted / vikram sethi
here in this problem we can make groups as follows
15 soldiers >>>>> 1 captain ----group-1
next 15 soldiers >>>>> 1 captain--group 2
''''''''''''''''''''''''''
''''''''''''''''''''''''''''' (here each group contains 16
''''''''''''''''''''''''''''' members i.e 1 captain & other is
''''''''''''''''''''''''''''' 15 soldiers)
let these be repeated as (x)times since total members=1200
therefore 1200/x=16 where x can be calculated as 1200/16=75
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