求2004年12月一道机经的思路

titatita

4          An integer divided by 4 has a remainder of 1, and divided by 3 has a remainder of 2. This number can fall in which pair of numbers?

5.5 to 9.5

17.5 to 22.5

29.5 to  32.5

41.5 to 45.5

50.5 to 59.5

Answer: E

[此贴子已经被作者于2005-12-1 10:47:59编辑过]

donna

假设该数为4X+1，另3Y+2，那么得出4X+1=3Y+2，那么3Y=4X-1，通过X的值来得出Y的值，然后就知道该数。现在假设X=1，Y=1，那么该数为5，在答案中没有，故继续推理，得出该出可能为17，29，41，53，那么答案只有E包含在内．