QUESTION: 409

In a hair cut competition, the number of blonde girls is three times bigger than the number of brown haired girls, and the number of brown haired girls is twice the number of red haired girls. Assuming that there is no other hair color, what is the proportion of the brown haired girls?

2/3.
4/9.
1/3.
5/9.
2/9.

Answer(s): E

Explanation:

Pick a number for the red haired girls: 1.
The number of brown haired girls is twice as much, thus 2. The number of blondes is three times as much, thus 6.
The total number of girls is 9 and the brown ones are 2 out of 9.

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QUESTION: 410

In store A there are 10 pairs of pants for every 40 store B has. The price ratio between the pants in store B and the pants in store A is 3:4. If all the pants were sold in both places until the stock ran out, what is the ratio between the total amount stores A earned to the total amount store B earned?

3:16.
2:3.
1:3.
3:4.
2:5.

Answer(s): C

Explanation:

Plug in numbers. Pants in store A cost $3 and in Store B $4.
In Store A they sold 10 pairs so they earned $40, in store B they earned (40 x 3) $120. The ratio between the money earned is 1 to 3.

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QUESTION: 411

Chris has 100 gold bars and 60 bronze bars. After replacing 10 gold bars with bronze bars, he had an equal amount of gold and bronze bars. The price ratio between a gold and a bronze bar is?

2:3.
1:2.
1:3.
3:4.
2:5.

Answer(s): C

Explanation:

After replacing 10 gold bars into bronze ones he had 90 of each thus 10 gold bars are worth 30 bronze ones, and this is their price ratio.

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QUESTION: 412

Car A travels at three times the average speed of car B. Car A started to travel at 12:00 o’clock, car B started to travel at 16:00 o’clock. What is the speed of car B (in Km/h) if the total distance that both cars traveled until 18:00 was 1000 Km?

Answer(s): E

Explanation:

The speed of car B is X; the speed of car A is 3X. Car A traveled 3X x 6 hours = 18X Km.
Car B traveled X x 2 hours = 2X Km. 1000 = 20X ---> X = 50 Km/h.

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Free GMAT SECTION 2: QUANTITATIVE Exam Braindumps (page: 103)

QUESTION: 409

Explanation:

QUESTION: 410

Explanation:

QUESTION: 411

Explanation:

QUESTION: 412

Explanation: