Math
In the sequence 1, 4, 9, 16, 25, the 6th number is 36. What is the 20th number?
400
The smallest bone found in the human body is located in the middle ear. How long is it?
1/10th of an inch
Vatican City
The value of n quarters expressed as cents:
25n cents
The first heart transplant was performed in 1967. How long did the patient live?
18 days
10^10 is how many times larger than 10^6?
10,000 times
Given: a heart beats 60 beats per minute. If a person lives to be 72 years old, how many times did his person's heart beat in his lifetime?
2,270,592,000 times
60 beats per minute X 60 minutes in an hour X 24 hours in a day X 365 days in a year X 72 years
What is the name of the only Great Lake that does not border Canada?
Lake Michigan
Mary is 5 inches shorter than Steve. If Steve is n inches tall, how tall is Mary?
(n+5) inches
Which presidents served during the Great Depression?
Hoover and Franklin Roosevelt
Stanley found a bag of money. He gave 1/2 to charity and 1/8 to his brother. Stanley how has $10 remaining. How much money was in the bag when he found it?
$80
He gave away 7/8 of the money, leaving 1/8.
1/8 of x = 10; x= 80
What is the name for the breastbone?
Sternum
What is the northern most state of the lower 48?
Minnesota
A new building will be n feet high. How many inches will the new building be?
12n
In what year was the atomic bomb dropped on Hiroshima?
1945
A day after a snow storm, 1/2 of the snow melted. The next day, 1/4 of the snow melted. What fraction of the snow from the storm is left now?
3/8
1/2 melted; 1/4 of 1/2 = 1/8 melted; 1/2 + 1/8= 5/8 melted
Put the following animals in order from slowest heartbeat to fastest:
blue whale
elephant
hibernating bear
human
Blue whale (8)
hibernating bear (14)
elephant (40)
human (72)
What is the smallest of the five oceans?
Arctic
A bike tire does 2400 complete revolutions in a minute. How many revolutions will it do in n seconds?
40n
1/60th of a revolution per second; 1/60 X 2400 = 40 in one second X n= 40n
The speed of light is 186,000 miles per second. Sound takes 5 seconds to go 1 mile. The speed of light is how many times faster than the speed of sound?
1,000,000 times faster
186,000 divided by 1/5 = 930,000
.25% is equal to what fraction?
.25 is a quarter of 1%
1/400
.25= a quarter of 1%; 1%=1/100; 1/4 of 1/100=1/400
The colors of visible light are :red, orange, yellow, green, blue, indigo, and violet. Which one has the shortest wavelength?
Violet
What is the northern most, eastern most, and western most state in the United States?
Alaska, Alaska, Alaska
Sara can spend $190 for two presents. If the first present cost n dollars, how much did the second one cost?
$190 - n
The ratio of cubic feet of water to cubic feet of gold is 1:19.32. If a cubic foot of water weighs 62.4 pounds, what is the weight of a cubic foot of gold?
1206 pounds