quantman3
A certain packing box contains books between 50 to 60. How many books exactly does that box contains?
(1) If the books are counted by three, there will be one book left over.
(2) If the books are counted by six, there will be one book left over.
A certain box contains between 50 and 60 books. How many books are there in the box?
1)If the books are counted by 3, there will be 1 book left
2)If books are counted by 6, there will be 1 book left
My ans is B
OA : C
I dont understand why do we need both statements when we are getting to a single ans from B
A certain packing box contains books between 50 to 60. How many books exactly does that box contains?(1) If the books are counted by three, there will be one book left over --> x = 3m + 1, where x is the total number of book (50 < x < 60). x could be 52, 55, or 58. Not sufficient.
(2) If the books are counted by six, there will be one book left over --> x = 6n + 1, where x is the total number of book (50 < x < 60). x could only be 55. Sufficient.
Answer: B.
OPEN DISCUSSION OF THIS QUESTION IS HERE: a-certain-packing-box-contains-books-between-50-to-60-how-many-books-193393.html