In a bag of small balls 1/4 are green, 1/8 are blue, 1/12 are yellow and the remaining 26 white. How many balls are blue?
What is 6 balls are blue
100
A person jogged 10 times along the perimeter of a rectangular field at the rate of 12 kilometers per hour for 30 minutes. If field has a length that is twice its width, find the area of the field in square meters.
What is 20,000 square meters
100
15 cm is the height of water in a cylindrical container of radius r. What is the height of this quantity of water if it is poured into a cylindrical
What is 3.75 cm
100
Nataly is one of the numbers below. N is such that when multiplied by 0.75 gives 1. Which number is equal to N?
A) 1 1/2
B) 1 1/3
C) 5/3
D) 3/2
What is B) 1 1/3
100
5(x + 15) = 80
5x + 75 = 80
5x = 5
What is x = 1 meter
200
In a school 50% of the students are younger than 10, 1/20 are 10 years old and 1/10 are older than 10 but younger than 12, the remaining 70 students are 12 years or older. How many students are 10 years old?
What is 10 students are 10 years old
200
Four congruent isosceles right triangles are cut from the 4 corners of a square with a side of 20 units. The length of one leg of the triangles is equal to 4 units. What is the area of the remaining octagon?
What is 368 square units
200
John bought a shirt on sale for 25% off the original price and another 25 % off the discounted price. If the final price was $16, what was the price before the first discount?
What is $28.44
200
In 2008, the world population is about 6,760,000,000. Write the 2008 world population in scientific notation.
What is 6.76 10 exponent of 9
200
4 W + 2 W = 600
6 W = 600
What is W = 100
300
If the length of the side of a square is doubled, what is the ratio of the areas of the original square to the area of the new square?
What is 1:4
300
A car is traveling 75 kilometers per hour. How many meters does the car travel in one minute?
What is 1250 meters per minute
300
How many inches are in 2000 millimeters? (round your answer to the nearest hundredth of an inch).
What is 78.74 inches
300
Calculate the circumference of a circular field whose radius is 5 centimeters.
What is 10pi centimeters
300
15 cm is the height of water in a cylindrical container of radius r. What is the height of this quantity of water if it is poured into a cylindrical container of radius 2r?
What is 3.75 cm
400
The division of a whole number N by 13 gives a quotient of 15 and a remainder of 2. Find N.
What is N = 197
400
Linda spent 3/4 of her savings on furniture and the rest on a TV. If the TV cost her $200, what were her original savings?
What is $800
400
The rectangular playground in Tim's school is three times as long as it is wide. The area of the playground is 75 square meters. What is the perimeter of the playground?
Stuart bought a sweater on sale for 30% off the original price and another 25% off the discounted price. If the original price of the sweater was $30, what was the final price of the sweater?
What is 10.$15.75
500
In the rectangle below, the line MN cuts the rectangle into two regions. Find x the length of segment NB so that the area of the quadrilateral MNBC is 40% of the total area of the rectangle.
What is x = 1 meter
500
Stuart bought a sweater on sale for 30% off the original price and another 25% off the discounted price. If the original price of the sweater was $30, what was the final price of the sweater?
What is $15.75
500
John had a stock of 1200 books in his bookshop. He sold 75 on Monday, 50 on Tuesday, 64 on Wednesday, 78 on Thursday and 135 on Friday. What percentage of the books were not sold?