Oral English assessments and ESL speaking English activities

HOME

MY TEACHING TOOLS

FORUM

Home > Self-Study Quizzes > Quiz

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.

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.

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

If the price of gasoline increases by 25% and Ron intends to spend only 15% more on gasoline, by what % should he reduce the quantity of petrol that he buys?

	A) 10%
	B) 12.5%
	C) 8%
	D) 12%
	E) 6.66%

The average of 5 quantities is 6. The average of 3 of them is 8. What is the average of the remaining two numbers?

	A) 4
	B) 5
	C) 3
	D) 3.5
	E) 0.5

Three years back, a father was 24 years older than his son. At present the father is 5 times as old as the son. How old will the son be three years from now?

	A) 12 years
	B) 6 years
	C) 3 years
	D) 9 years
	E) 27 years


STUDENT ACTIVITIES Speaking Activities Self-Study Quizzes	WEBTOOLS SpokenTest EnglishPresentations	CUSTOMER SERVICE Privacy Policy Support	COMPANY INFORMATION About Us Contact Us SpokenSkills News