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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.

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%

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

How many diagonals does a 63-sided convex polygon have?

	A) 3780
	B) 1890
	C) 3843
	D) 3906
	E) 1953

The average weight of a group of 30 friends increases by 1 kg when the weight of their football coach was added. If average weight of the group after including the weight of the football coach is 31kgs, what is the weight of their football coach in kgs?

	A) 31 kg
	B) 61 kg
	C) 60 kg
	D) 62 kg
	E) 91 kg

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.


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