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.

Data Sufficiency : A set S contains the following elements: {7, 11, 15, 19, 23, x}. What is the value of x? All numbers used are real numbers.

(1) The elements are in arithmetic progression
(2) x is prime

This data sufficiency problem consists of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements, plus your knowledge of mathematics and everyday facts (such as the number of days in a leap year or the meaning of the word counterclockwise), you must indicate whether -

	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.

A lady grows cabbages in her garden that is in the shape of a square. Each cabbage takes 1 square feet of area in her garden. This year, she has increased her output by 211 cabbages as compared to last year. The shape of the area used for growing the cabbages has remained a square in both these years. How many cabbages did she produce this year?

	A) 11236
	B) 11025
	C) 14400
	D) 12696
	E) Cannot be determined

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

If the mean of numbers 28, x, 42, 78 and 104 is 62, then what is the mean of 128, 255, 511, 1023 and x?

	A) 395
	B) 275
	C) 355
	D) 415
	E) 365

A poultry farm has only chickens and pigs. When the manager of the poultry counted the heads of the stock in the farm, the number totaled up to 200. However, when the number of legs was counted, the number totaled up to 540. How many chickens were there in the farm?

	A) 70
	B) 120
	C) 60
	D) 130
	E) 80


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