SAT Mc Graw Hill 2011

242 MCGRAW-HILL’S SAT

SAT Practice 2:Analyzing Problems

3. In the sophomore class at Hillside High School,
   the ratio of boys to girls is 2 to 3. The junior class
   contains as many boys as the sophomore class
   does, and the ratio of boys to girls in the junior
   class is 5 to 4. If there are 200 students in the
   sophomore class, how many students are there in
   the junior class?

Note:Figure not drawn to scale.

4. In the figure above,
   1
   
   2 , AD= 8, EF= 4,
   GF= 3, and BG= 9. What is the total area of the
   shaded regions?
   (A) 32
   (B) 36
   (C) 40
   (D) 42
   (E) 44


5. How many odd integers are there between 1 and
   99, not including 1 and 99?
   (A) 46
   (B) 47
   (C) 48
   (D) 49
   (E) 50


6. In the figure above, equilateral triangle ABChas
   an area of 20, and points D, E,and Fare the mid-
   points of their respective sides. What is the area
   of the shaded region?

A

B C

D

E

F

....

1 2 3 4 5 7 8 9

6

1

0 2 3 4 5 7 8 9

6

1

0 2 3 4 5 7 8 9

6

1

0 2 3 4 5 7 8 9

6

....

1 2 3 4 5 7 8 9

6

1

0 2 3 4 5 7 8 9

6

1

0 2 3 4 5 7 8 9

6

1

0 2 3 4 5 7 8 9

6

A B C

D EF

G

l 1

l 2