Latest CTS Aptitude Question SOLUTION: 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

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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 (9 years ago)

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RAKESH  (9 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  (9 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

Is this solution Helpfull? Yes (7) | No (3)  

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