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(#M40109354) CTS Category question interview question Keep an EYE

Sum of 3-digit number is subtracted from number. the resulting number is divisible by

a) 6
b) 9
c) both 6 and 9
d) all 3,6,9

Asked In CTS D.Sriharshita (10 years ago)

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RAKESH  (10 years ago)

b) 9
let no. of form xyz then

(100x + 10y +z) - (x+y+z) = 99x + 9y = 9*(11x+y)

always divisible by 9 .

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kondareddy  (10 years ago)

first take the any value ,for example 123
then add the 3 digits ,the result is 6 then
subtract =>123-6=117,
the 117 always divisible 9

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