SAT Mc Graw Hill 2011

602 MCGRAW-HILL’S SAT

5 5 555 5

9. If four times a certain number is decreased by
   5, the result is 25. What is the number?


10. 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»?


11. If the circumference of the circle above is 10π,
    then what is the value of a^2 +b^2?

A, B, C, D

12. 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.)


13. If 96,878 ×x^2 =10,200, then


14. 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

15. If , what is the value of?


16. 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?


17. 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.

18. 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

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check your work on this section only. Do not

turn to any other section of the test.