If K is a positive integer less than 10 and N = 4,321 + K, what is the value of K?
(1) N is divisible by 3.
(2) N is divisible by 7.
ans. B
i got C do not know why its B ?
thanks for the help guys !
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divisibility ! confused !thanks
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If we divide 4321 by 3 - remainder 1 - to make it divisible by 3
values of K (less than 10) are 2,5 and 8.
Stmt 1 insufficient
If we divide 4321 by 7 - remainder 2 - to make it divisible by 7
value of K (less than 10) is just 5.
Stmt 2 sufficient.
Hence B
values of K (less than 10) are 2,5 and 8.
Stmt 1 insufficient
If we divide 4321 by 7 - remainder 2 - to make it divisible by 7
value of K (less than 10) is just 5.
Stmt 2 sufficient.
Hence B
