【冲刺10月SAT考试】SAT数学备考练习题（3）

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本文分享给大家冲刺10月SAT数学练习题的第3部分，本文共计10道题，供大家练手用，希望大家有收获。

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.

6. If f(x) = (x + 2) / (x-2) for all integers except x=2, which of the

following has the greatest value?

A. f(-1)

B. f(0)

C. f(1)

D. f(3)

E. f(4)

7. ABCD is a square of side 3, and E and F are the mid points of sides AB and

BC respectively. What is the area of the quadrilateral EBFD ?

A. 2.25

B. 3

C. 4

D. 4.5

E. 6

8. If n ≠ 0, which of the following must be greater than n?

I 2n

II n2

III 2 - n

A. I only

B. II only

C. I and II only

D. II and III only

E. None

9. After being dropped a certain ball always bounces back to 2/5 of the

height of its previous bounce. After the first bounce it reaches a height of 125

inches. How high (in inches) wi

ill it reach after its fourth bounce?

A. 20

B. 15

C. 8

D. 5

E. 3.2

10. n and p are integers greater than 1

5n is the square of a number

75np is the cube of a number.

The smallest value for n + p is

A. 14

B. 18

C. 20

D. 30

E. 50