Factors
34A832 is divisible by nine. What digit does A represent?
7
One case holds 2 cartons. Each carton holds 3 boxes. Each box holds 4 bundles. Each bundle holds 5 envelopes. Each envelope holds 6 pencils. What is the greatest number of pencils that one case can hold?
720
find the value of A.
(A + A) / (A x A) = 1/3
6
6/.3 + .3/.06
Evaluate in simplest terms.
25
A fair die is thrown. What is the probability that the top face shown is a factor of 6?
2/3 or 66.666666666666666666666666666666666666666666666666666666667%
Dr. Bolton was born in an interesting year. The tens digit was twice the thousands digit, the ones digit was three times the tens digit, and the hundreds digit was equal to the sum of the other three digits. In what year was she born?
1926
the Panthers team won exactly 2 of its first 9 games. By winning all of its remaining N games, the Panthers ended with victories in exactly half of the games it played. What number does N represent?
20902 is a palindrome. What is the next larger palindrome?
21012
What do you get when you combine Sodium and Chlorine?
table salt
list all counting numbers less than 50 with exactly 3 different factors.
4, 9, 25, 49
not 1, or 16, or 36
Each of three students practices at a different time. 10 AM, noon, and 2 PM. Amy practices either at noon or at 2 PM. Jo doesn't practice at noon. Beth doesn't practice at 2 PM. Jo practices 2 hours before Beth. At what time does each girl practice?
Amy at 2 PM, Jo at 10 AM, Beth at noon.
75% of 76 is 95% of what whole number?
60
How many of the first 30 terms of the Fibonacci sequence are odd numbers?
(1, 1, 2, 3, 5, 8, 13, 21, 34, 55, ...)
20
Who was the second person to walk on the moon? (after Neil Armstrong)
Buzz Aldrin
in the number 203,500, the last two zeroes are called terminal zeroes. the zero after the digit 2 is not a terminal zero. how many terminal zeroes does the product of the first 30 counting numbers (1 x 2 x 3 x ... x 30) have?
7 terminal zeroes
Suppose five days before the day after tomorrow was Friday. What day was yesterday?
Sunday
53
(8 friends)
each row of *s has two more *s than the row immediately above it. Altogether, how may *s are contained in the first 20 rows?
*
***
*****
*******
and so on
400
(202)
Which city does the Prime-Meridian go through?
Greenwich
In the multiplication example AB x C = AA, different letters represent different digits, AB represents a two-digit number, and AAA represents a three-digit number. What is the value of C?
a theater has 18 rows of seats. Each row has the same number of seats. Suppose there were 3 fewer rows. Then for the theater to hold the same number of people, each remaining row would need 6 more seats. How many seats are in the theater?
540
for 8 weeks of work, Melanie will receive $600 and a new computer. After only 6 weeks of work, she would be entitled to the new computer but only an additional $150. What is the value of the computer, in dollars?
$1200
the sequence 2, 3, 5, 6, 7, 10 consists of all counting numbers which are neither perfect squares nor perfect cubes. Find the 75th term of this sequence.
86
what is Agoraphobia the fear of?
fear of open or public spaces