SAT数学练习题 含详细答案解析(3)

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要想SAT数学成绩有所提高，坚持每天做练习是十分必要的，就像这样每天完成5道SAT数学题目，并进行总结，日积月累，成绩就会有明显地提高。本文分享数学练习题的第3部分。

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.