602 MCGRAW-HILL’S SAT
5 5 555 5
- If four times a certain number is decreased by
5, the result is 25. What is the number? - For every integer mgreater than 1, let «m» be
defined as the sum of the integers from 1 to
m,inclusive. For instance,
«4» = 1 + 2 + 3 + 4 =10.
What is the value of «7» −«5»? - If the circumference of the circle above is 10π,
then what is the value of a^2 +b^2?
A, B, C, D
- How many different three-letter arrangements of
the letters above are possible if no letter may
be repeated? (An arrangement like ABCis dis-
tinct from an arrangement like BCA.) - If 96,878 ×x^2 =10,200, then
- Every term in a certain sequence is one less
than three times the previous term. If the
fourth term of this sequence is 95, what is the
first term of the sequence?
10 200
5 2 96 878
,
x × ,
=
a
b
P
- If , what is the value of?
- Admission to a museum is $10 for each adult
and $5 for each child. If a group of 30 people
pays a total of $175 in admission, how many
adults are in the group? - The perimeter of the isosceles triangle above is
24. If the ratio of ato bis 2 to 3, what is the
value of b?
Note:Figure not drawn to scale.
- In the figure above, AB=6, BC=6, and CD=2.
What is AD?
A B
C D
E
a
bb
472 +=b.^4 − b
STOP
If you finish before time is called, you may
check your work on this section only. Do not
turn to any other section of the test.