2017年10月27日SAT考试每日一题(数学).

　　为了让我们更好的适应SAT考试，SAT考试官网每天都会有SAT官方每日一题，下面是澳际小编为您整理的2016年10月27日SAT题目，是数学题，让我们一起来看一看这道题目吧。

　　1. Which of the following could be a value of x, in the diagram above?

　　A. 10

　　B. 20

　　C. 40

　　D. 50

　　E. any of the above

　　2. Helpers are needed to prepare for the fete. Each helper can make either 2 large cakes or 35 small cakes per hour. The kitchen is available for 3 hours and 20 large cakes and 700 small cakes are needed. How many helpers are required?

　　A. 10

　　B. 15

　　C. 20

　　D. 25

　　E. 30

　　3. Jo's collection contains US, Indian and British stamps. If the ratio of US to Indian stamps is 5 to 2 and the ratio of Indian to British stamps is 5 to 1, what is the ratio of US to British stamps?

　　A. 5 : 1

　　B. 10 : 5

　　C. 15 : 2

　　D. 20 : 2

　　E. 25 : 2

　　4. A 3 by 4 rectangle is inscribed in circle. What is the circumference of the circle?

　　A. 2.5π

　　B. 3π

　　C. 5π

　　D. 4π

　　E. 10π

　　5. Two sets of 4 consecutive positive integers have exactly one integer in common. The sum of the integers in the set with greater numbers is how much greater than the sum of the integers in the other set?

　　A. 4

　　B. 7

　　C. 8

　　D. 12

　　E. it cannot be determined from the information given.

　　澳际培训提醒各位参加准备sat考试的同学，仔细看完以上的sat考试官网题目，然后再看下面的SAT题目答案更有效哦。

　　1.Correct Answer: B

　　Explanation:

　　The marked angle, ABC must be more than 90 degrees because it is the external angle of triangle BDC, and must be equal to the sum of angles BDC (90) and DCB. Also ABC is not a straight line and must be less than 180. Therore 90 < 5x < 180 The only value of x which satisfies this relation is 20.

　　2.Correct Answer: A

　　Explanation:

　　20 large cakes will require the equivalent of 10 helpers working for one hour. 700 small cakes will require the equivalent of 20 helpers working for one hour. This means if only one hour were available we would need 30 helpers. But since three hours are available we can use 10 helpers.

　　3.Correct Answer: E

　　Explanation:

　　Indian stamps are common to both ratios. Mul

　　ltiply both ratios by factors such that the Indian stamps are represented by the same number. US : Indian = 5 : 2, and Indian : British = 5 : 1. Multiply the first by 5, and the second by 2.

　　Now US : Indian = 25 : 10, and Indian : British = 10 : 2 Hence the two ratios can be combined and US : British = 25 : 2

　　4.Correct Answer: C

　　Explanation:

　　Draw the diagram. The diagonal of the rectangle is the diameter of the circle. The diagonal is the hypotenuse of a 3,4,5 triangle, and is therore, 5. Circumference = π.diameter = 5π

　　5.Correct Answer: D

　　Explanation:

　　If two sets of four consecutive integers have one integer in common, the total in the combined set is 7., and we can write the sets as n + (n + 1) + (n + 2) + (n + 3 ) and (n + 3) + (n + 4) + (n + 5) + (n + 6) Note that each term in the second set is 3 more than the equivalent term in the first set. Since there are four terms the total of the differences will be 4 x 3 = 12

　　以上就是澳际小编为根据SAT考试官网最新信息，为您整理的2016年10月27日SAT题目，目的是为了让我们更好的适应SAT考试，如果在备考过程中遇到任何问题，欢迎随时咨询澳际培训，为您提供最专业、最全面的解答。

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