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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.

The basic one-way air fare for a child aged between 3 and 10 years costs half the regular fare for an adult plus a reservation charge that is the same on the child's ticket as on the adult's ticket. One reserved ticket for an adult costs $216 and the cost of a reserved ticket for an adult and a child (aged between 3 and 10) costs $327. What is the basic fare for the journey for an adult?

	A) $ 111
	B) $ 52.5
	C) $ 210
	D) $ 58.5
	E) $ 6

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

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

The average age of a group of 10 students was 20. The average age increased by 2 years when two new students joined the group. What is the average age of the two new students who joined the group?

	A) 22 years
	B) 30 years
	C) 44 years
	D) 32 years
	E) None of these

The arithmetic mean of the 5 consecutive integers starting with 's' is 'a'. What is the arithmetic mean of 9 consecutive integers that start with s + 2?

	A) 2 + s + a
	B) 2 + a
	C) 2s
	D) 2a + 2
	E) 4 + a


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