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there is a 6 digit number which contains digits 1,2,3,4,5
and x .this number is divisible by 4 .the possible
combinatios of this number (by arranging the digits) which
is divisble by 4 is 192. find the value of x from options
given below...
1)6 only 2) 0,6 and 8 3)6 and 8 only 4)8 only
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Answer / anon
Divisibility by 4 :
a number is divisible by 4 , if the number formed by the
last two digits is divisible by 4
ex. 892648 is div. by 4 since the number formed by last 2
digits is 48 which is div. by 4
similarly in 12345X there are only two options 2 and 6
123452 123456 which are div. by 4
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Answer / sushant
Am I reading the question wrong cos it doesn't mention that the digits have to be in that order .... So according to me it has to be option 2 ..since 123504, 123564 and 123584 are all divisible by 4
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