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GMAT Math practice - (5/36 questions - random)
GMAT practice questions. Once you complete the quiz you will see your score and explanation of the correct answer.
1.
If the ratio of the sum of the first 6 terms of a G.P. to the sum of the first 3 terms of the G.P. is 9, what is the common ratio of the G.P?
A) 3
B) 1/3
C) 2
D) 9
E) 1/9
2.
The average wages of a worker during a fortnight comprising 15 consecutive working days was $ 90 per day. During the first 7 days, his average wages was $ 87/day and the average wages during the last 7 days was $ 92 /day. What was his wage on the 8
^{th}
day?
A) $ 83
B) $ 92
C) $ 90
D) $ 97
E) $ 104
3.
If the sum of the interior angles of a regular polygon measures up to 1440 degrees, how many sides does the polygon have?
A) 10 sides
B) 8 sides
C) 12 sides
D) 9 sides
E) None of these
4.
If m, s are the average and standard deviation of integers a, b, c, and d, is s > 0?
(1) m > a
(2) a + b + c + d = 0
A) Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.
B) Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.
C) BOTH statements (1) and (2) TOGETHER are sufficient to answer the question asked, but NEITHER statement ALONE is sufficient to answer the question asked.
D) EACH statement ALONE is sufficient to answer the question asked.
E) Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked, and additional data specific to the problem are needed.
5.
What is the sum of all 3 digit numbers that leave a remainder of '2' when divided by 3?
A) 897
B) 164,850
C) 164,749
D) 149,700
E) 156,720
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