Math Practice 1 Set 3

It cost 10¢ a kilometer to fly and 12¢ a kilometer to drive. If you travel 200 kilometers, flying x kilometers of the distance and driving the rest, then the cost of the trip in dollars is

• 20
•   24
•   24 – 2x
• 24 – 0.02x
•   2,400 – 2x

There are 30 socks in a drawer. 60% of the socks are red and the rest are blue. What is the minimum number of socks that must be taken from the drawer without looking in order to be certain that at least two blue socks have been chosen?

• 2
•   3
•   14
• 16
•   20

Company A owns 40% of the stock in the XYZ Corporation. Company B owns 15,000 shares. Company C owns all the shares not owned by companies A or B. How many shares of stock does Company A own if Company C has 25% more shares than Company A?

• 45,000
•   50,000
•   60,000
• 75,000
•   90,000

In a group of people solicited by a charity, 30% contributed $40 each, 45% contributed $20 each, and the rest contributed $12 each. What percentage of the total contributed came from people who gave $40?

• 25%
•   30%
•   40%
• 45%
•   50%

A manufacturer of jam wants to make a profit of $75 when he sells 300 jars of jam. It costs 65¢ each to make the first 100 jars of jam and 55¢ each to make each jar after the first 100. What price should he charge for the 300 jars of jam?

• $75
•   $175
•   $225
• $240
•   $250

A company makes a profit of 7% selling goods which cost $2,000; it also makes a profit of 6% selling a machine that cost the company $5,000. How much total profit did the company make on both transactions?

• $300
•   $400
•   $420
• $440
•   $490

A pension fund has a total of $1 million invested in stock of the ABC Company and bonds of the DEF Corporation. The ABC stock yields 12% in cash each year and DEF bonds pay 10% in cash each year. The pension fund received a total of $115,000 in cash from ABC stock and DEF bonds last year. How much money was invested in ABC stock?

• $750,000.00
•   $600,000.00
•   $500,000.00
• $333,333.33
•   $250,000.00

The ratio of chickens to pigs to horses on a farm can be expressed as the triple ratio 20:4:6. If there are 120 chickens on the farm, then the number of horses on the farm is

• 4
•   6
•   24
• 36
•   60

In Motor City 90% of the population own a car, 15% own a motorcycle, and everybody owns one or the other or both. What is the percentage of motorcycle owners who own cars?

• 5%
•   15%
•   33.33%
• 50%
•   90%

Jim’s weight is 140% of Marcia’s weight. Bob’s weight is 90% of Lee’s weight. Lee weighs twice as much as Marcia. What percentage of Jim’s weight is Bob’s weight?

• 64.29
•   77.78
•   90
• 128.57
•   155.56