# SAT Questions and Answers Model Paper-7 Important Questions Section B

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**Section - B**

**Time - 25 minutes**

**20 Questions**

**1**. When is added to . The value of when of which digit in the number will be increased?

(A) 0

(B) 5

(C) 6

(D) 7

(E) 8

**2**. In the figure below, what is the value of ?

(A) 18

(B) 24

(C) 36

(D) 45

(E) 50

**3**. The number of bacteria in a dish at various times from the start of an experiment is shown in the graph, which of the following is closest to the number of minutes from the start of the experiment to the time when there were 450 bacteria in the dish?

(A) 6

(B) 10

(C) 14

(D) 18

(E) 22

**4**. If the sum of the areas of two congruent squares is 50, what is the length of a side of each square?

(A) 2

(B) 4

(C) 5

(D) 10

(E) 25

**5**. On a certain map. 2 inches represent 25 miles. How many inches on the map on the map represent 200 miles?

(A) 4

(B) 8

(C) 12

(D) 16

(E) 20

**6**. If which of the following is always equal to ?

(A)

(B)

(C)

(D)

(E)

**7**. In below, B is the midpoint of and *D* is the midpoint of . If and , What is the perimeter of ?

__Note__: Figure not drawn scale.

(A) 13

(B) 14

(C) 15

(D) 16

(E) 17

**8**. If it takes complete class periods to show a video and each class period is 45 minutes long, which of the following represents the length of the video, in minutes?

(A)

(B)

(C)

(D)

(E)

**9**. If and are integers and , which of the following is a possible value of ?

(A) 9

(B) 14

(C) 16

(D) 18

(E) 20

**10**. In the figure below, point lies on segment . The area of the circle with center is , and the area of the circle with center is . What is the length of segment ?

__Note__: Figure not drawn to scale.

(A) 10

(B) 8

(C) 6

(D) 4

(E) 2

**11**. The table below shows the average (arithmetic mean) time a student on homework __per school week__ during each of 4 years of high school. In total, how many hours did the student spend on homework during 4 years of high school? (Assume that I school week contains 5 days and 1 school year contains 180 days.)

Average Time Per School Week Spent On Homework | |

Grade | Number |

9 | 5 |

10 | |

11 | |

12 |

(A) 322

(B) 1,008

(C) 1,080

(D) 5,040

(E) 5,400

**12**. One number is 8 more than twice another number. If the sum of the two numbers is 23, what is the greater of the two numbers?

(A) 10

(B) 12

(C) 15

(D) 18

(E) 31

**13**. For a certain product, the number of thousands of units sold each month is given by the function below, where is the price per unit, in dollars, and . The price per unit was $ 14 in July and $ 10 in August. How does the number of units sold in July compare to the number of units sold in August?

(A) 4,000 fewer units were sold in July

(B) 8,000 fewer units were sold in July.

(C) 20,000 fewer units were sold in July.

(D) 12,000 more units were sold in July.

(E) 16,000 more units were sold in July.

**14**. The volume of a right circular cylinder is cubic inches. If the height and radius of the cylinder are equal, what is the height of the cylinder?

(A) 4 inches

(B) 6 inches

(C) 8 inches

(D) 16 inches

(E) 32 inches

**15**. If the average (arithmetic mean) of , and 24 is 10, what is the average of and ?

(A) 2

(B) 3

(C) 6

(D) 7

(E) It cannot be determined from the information given.

**16**. In a survey, 78 people were asked about two television programs, X and Y. Of the people surveyed, 56 watch program X, 42 watch program Y, and 7 watch neither program. How of the people surveyed watch both programs?

(A) 15

(B) 20

(C) 27

(D) 29

(E) 36

**17**. In the triangle below, and . What is the area of the triangle?

(A) 4

(B) 6

(C) 9

(D) 12

(E) 16

**18**. Positive integers satisfy the equations and . What is the value of ?

(A) 5

(B) 7

(C) 9

(D) 11

(E) 13

**19**. In the figure below, what is the equation of line ?

(A)

(B)

(C)

(D)

(E)

**20**. If , and , what is in terms of ?

(A)

(B)

(C)

(D)

(E)