What is the difference between 90% of 9 and 9% of 90?
What is 0?
100
Mei-Ling has paints in 4 different colors. If she is going to paint the inside of a box with one color and the outside of the box with another color, in how many different ways can she paint the box?
What is 12 ways?
100
P is a point that is not on line M (not shown). How many lines can be drawn through point P that can form a 30 degree angle with line M?
What is 2 lines?
100
How many prime numbers less than 50 are divisible by 3?
What is 1?
200
Linda is now x years old and Don is 2 years older than Linda. In terms of x, how old was Don 3 years ago?
What is x-1?
200
m is 20% of n, and n is 5% of 1,000. What is the value of m?
What is 10?
200
Nancy put 23 coins (nickels, dimes, and pennies) with a total value of $1,22 into a jar. She removes seven dimes, seven nickels, and seven pennies. Which coins remain in the jar?
What are 2 nickels?
200
The area of a rectangular rug is 70 square feet. If the width is 5 feet, what is the perimeter?
What is 38 feet?
200
Katie swam 3/4 as many laps as Ruby. Katie swam 3 1/2 laps. How many laps did Ruby swim?
What is 4 2/3?
300
What is the value of (x+y)(y-x) when x=5.5 and y=4.5?
What is -10?
300
What fraction, reduced to its lowest terms, is halfway between 4/5 and 0.9?
What is 17/20?
300
An experiment requires than 2/5 grams of nitrate be added to a soil bed each day. If 40 grams of nitrate are available, how long may the experiment last?
What is 100 days?
300
BDC is a straight line segment and triangle ABD is congruent to triangle ACD. What can one conclude about angle ADB?
What is
300
The average score of 10 players was 6.5. One player's score was dropped, changing the mean of the remaining scores to 6.0. What score was dropped?
What is 11?
400
Francine is now 16 years old. In 6 years, she will be twice as old as her brother is then. How old is her brother now?
What is 5?
400
Convert 5/16?
What is 0.3125?
400
There are 10,000 fish in a pond. Of 50 fish caught in a net, 35 are female and 15 are male. Which is the best estimate of the number of male fish in the pond before the 50 fish were caught?
What is 3,000?
400
A sheet of cardboard measuring 12 inches by 54 inches is to be cut into squares with equal sides. What is the largest possible size of the squares if they are all to be equal, without any waste?
What is 6in. by 6in.?
400
In a list of numbers that starts with the number 13, every number is 14 less than twice the number that comes before it. What will the fourth number on the list be?
What is 6?
500
In a certain month, Linda earned twice as much as Jill earned. Susan earned three times as much as Jill. If Susan earned $240, how much did Linda earn?
What is $160?
500
From a box containing 5 black marbles, 8 pink marbles, 6 white marbles, and 5 yellow marbles, Kim removed 4 marbles, one of which was black. If she removes one more marble at random, what is the probability that it will be black?
What is 1/5?
500
A train traveling at the speed of 30 miles per hour passes point A on its way to point B. At the same time, on a parallel track, another train traveling at the speed of 70 miles per hour passes point B on its way to point A. If point A and point B are 300 miles apart, how far from point B will the trains meet?
What is 210 miles?
500
The radius of circle C1 is R, and that of circle C2 is r. The area of C1 is twice that of C2. What is R in terms of r?
What is √2r?
500
Maria can paint 2/3 of a square wall with 1 gallon of paint. How much pf that same wall could she paint with 3/5 of a gallon?