Gen.Ed. Math LET Quiz Part2

Who introduced the 'Law of Large Numbers'?

• Isaac Newton

• Carl Friedrich Gauss

• Blaise Pascal

• Jacob Bernoulli

Ana and Beth do a job together in 3 hours. Working alone, Ana does the job in 5 hours.

How many hours will take Beth to do the job alone?

• 5 hours

• 7.5 hours

• 3 hours

• 4 hours

What is the formula for the area of a circle?

• π x r²

• π x h

• 2π x r

• π x d

What is the arithmetic mean?

• Sum of values / Number of values

• Maximum value - Minimum value

• Total value x Number of values

• Sum of squares / Number of values

What does a bar graph represent?

• Data using bars

• Data using lines

• Data using circles

• Data using points

What is the Celsius freezing point of water?

• 212°

• 0°

• 32°

• 100°

What is a cartographer?

• A person who analyzes data

• A person who teaches mathematics

• A person who makes maps

• A person who studies geography

What is the circumference of a circle calculated as?

• 2 x r

• π x r²

• π x d

• 2π x r

What is a common denominator?

• A factor of two numbers

• A type of fraction

• A multiple of the denominators of fractions

• A sum of fractions

What is the area of a rectangle calculated as?

• base x height

• length x width

• π x r²

• 2 x (length + width)