標題範例：Mathematics > Standard Multiple Choice
Read the following SAT test question and then click on a button to select your answer.
What is the maximum number of nonoverlapping squares with sides of length 3 that will fit inside of a square with sides of length 6?
(A) Two
(B) Three
(C) Four
(D) Six
(E) Nine
謎底：C
【剖析】
Choice (C) is correct. A square with sides of length 3 has area 9, and a square with sides of length 6 has area 36. Thus at most 36÷9=4 squares of side length 3 can fit inside a square of side length 6 without overlapping. And in fact, it is possible to fit the four squares of side length 3 inside a square of side length 6 with no overlap; if the four squares with sides of length 3 are arranged in two rows with two squares in each row, they will fit inside of the square with sides of length 6 without overlapping. Therefore, the maximum number of nonoverlapping squares with sides of length 3 that will fit inside of a square with sides of length 6 is four.
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