Mathematics → GRE Mathematics → GRE Math Practice Test Questions
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6. Calculate
(A) 0
(B) 1
(C) 1/2
(D) 1/4
(E) ∞
7. Let X be a nonempty set, and O1 and O2 are open sets in T. To prove a topology T on X which from the following need NOT to prove:
(A) Ø is in T
(B) O1∩O2 is in T
(C) O1∪O2 is in T
(D) O1c and O2c are in T
(E) X is in T
8. Calculate
(A) 60
(B) 65
(C) 70
(D) 75
(E) 80
9.
(A) 0
(B)
(C)
(D)
(E) 2
10. If f (x) = ln(logx) and g(x) = 10e–7 Then (fog)(x) = ?
(A) 7
(B) –7
(C) ln7
(D) e7
(E) e–7
ANSWERS: GRE MATH PRACTICE TEST
6. D
7. D
8. B
9. C
10. B