GRE Math Multiple Choice Practice Test 공유합니다.
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1. The manufacturing cost of 'k' pencils is (498+0.2k) cents. These pencils are available in market at a fixed price of 50 cents each. What is the number of pencils which needs to be sold such that the revenue generated at least equals the total manufacturing cost?
Indicate all possible options.
a. 4
b. 6
c. 9
d. 10
e. 12
f. 14
2. Which of the following options are smaller than the arithmetic mean of prime factors of 22? Indicate all possible options.
a. 3
b. 5
c. 7
d. 11
e. 18
f. 21
3. Let ‘x’ and ‘y’ be two integers such that x < 0 and y < 0. Which of the following options could values of xy/(x+y). Indicate all possible options.
a. -21
b. -7
c. 0
d. 1
e. 1/2
f. 21