数据填充题(Data Sufficiency)不仅要求考生具备基础的数学知识和熟练的计算技巧，而且更注重检验考生分析定量问题的能力。今天我们就来讲一下GMAT数据充分性试题OG练习题分析第六部分。
31. If t denotes the thousandths in the decimal representation of d above, what digit is t?
d=0.43t7
(1) If d were rounded to the nearest hundredth, the result would be 0.44.
(2) If d were rounded to the nearest thousandth, the result would be 0.436.
翻译：T代表d的千分位，那么t是多少?
(1) 如果D四舍五入到百分位，那么结果是.044
(2) 如果D四舍五入到千分位，那么结果是.0436
解析：条件一看出百分位进了，所以只能确定t是大于等于5的数。不能找出唯一答案，不满足。条件二表明四舍五入7会进一个，所以等于6-1=5得出.答案选择B
32. If A and B are positive integers, is the product AB even?
(1) The sum A + B is odd.
(2) A is even.
翻译：如果A,B是正整数，那么AB乘积是偶数吗?
(1) A,B之和是奇数
(2) A是偶数
解析：AB乘积是偶数，那么AB中至少一个是偶数就可以。条件一得出A,B之中有一个是奇数，有一个是偶数，满足。条件二满足至少一个是偶数。所以两个条件都能单独满足。答案是D
33. The weights of all dishes of type X are exactly the same, and the weights of all dishes of type Y are exactly the same. Is the weight of 1 dish of type X less than the weight of 1 dish of type Y ?
(1) The total weight of 3 dishes of type X and 2 dishes of type Y is less than the total weight of 2 dishes of typeX and 4 dishes of type Y .
(2) The total weight of 4 dishes of type X and 3 dishes of type Y is less than the total weight of 3 dishes of type X and 4 dishes of type Y .
翻译：X盘子的重量均相等，Y盘子的重量也均相等，那么单个X盘子的重量比单个Y盘子的重量轻吗?
(1)3个X2个Y的重量少于2个X4个Y
(2)4个x,3个y的重量少于3个x4个y
解析：条件一列出不等式3x+2y<2x+4y.化简得出x<2y,条件不够。
条件二列出不等式4x+3y<3x+4y,化简得出x
34. A certain high school with a total enrollment of 900 students held a science fair for three days last week. How many of the students enrolled in the high school attended the science fair on all three days?
(1) Of the students enrolled in the school, 30 percent attended the science fair on two or more days.
(2) Of the students enrolled in the school, 10 percent of those that attended the science fair on at least one day
attended on all three days.
翻译：上周三天某校总共有900学生参加了科学博览会，有多少学生三天都参加了?
(1) 有30%的学生参加会议超过两天
(2) 10%至少在了一天
解析:有300人参加会议超过2天，只能说明三天都在的人数少于300，但是不确定是多少人。条件二只能说明90个人至少在了一天。还是不能满足，答案选择E
35. The inside of a rectangular carton is 48 centimeters long, 32 centimeters wide, and 15 centimeters high. The carton is filled to capacity with k identical cylindrical cans of fruit that stand upright in rows and columns, as indicated in the figure above. If the cans are 15 centimeters high, what is the value of k?
(1) Each of the cans has a radius of 4 centimeters.
(2) Six of the cans fit exactly along the length of the carton.
翻译：长方形纸盒底48厘米，宽32厘米，高15厘米。里边排列整齐的放满了相同的K类圆形水果罐头，如果罐头的高15厘米，那么能放多少?
(1) 每个罐头半径是4厘米
(2) 6个罐头可以填满箱子的一长列
解析：条件一每个半径是4厘米，所以直径是8，所以相当于长48，宽32的长方形分为多少个长为8的方块。32/8=4,48/8=6，所以能放4*6=24个
条件二6个罐头可以填满箱子的一长列，所以算出每个直径是48/6=8，所以一宽列能放32/8=4个。总共能放24个，所以两个条件都是单独满足。答案是D
》》点击了解GMAT数据充分性试题OG练习题分析（五）
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