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picklepeter
Questions (37)
How many ways are there to split 12 people into 4 groups with 3 people in each group?
1 answer
389 views
At a birthday party, 5 boys and 3 girls are seated around a table. How many different arrangements are possible if
b a boy named
0 answers
565 views
At a birthday party, 5 boys and 3 girls are seated around a table. How many different arrangements are possible if
a there are no
0 answers
374 views
How many non-negative integer solutions does the equation x+y+z = 10 have?
0 answers
376 views
If the order of numbers in a sum matters, then in how many ways can you represent the number 9 as the sum of
b three positive
4 answers
1,509 views
Find the number of those 4-digit numbers whose digits are non-increasing.
2 answers
589 views
How many nonnegative integer solutions does the equation x+y+z+t = 15 have?
1 answer
1,072 views
How many ways are there to split 12 people into 4 groups with 3 people in each group?
2 answers
597 views
When you toss a die while playing a game, you can get 1, 2, 3, 4, 5, or 6 on the top face. How many possible combinations of the
1 answer
441 views
When you toss a die while playing a game, you can get 1, 2, 3, 4, 5, or 6 on the top face. How many possible combinations of the
0 answers
371 views
Dan, Ben, and Mark are friends. Together, along with two of their classmates, they bought movie tickets that were all in one
1 answer
1,564 views
How many 4-digit falling numbers can we make from decimal digits? (A falling number is a positive integer where each digit is
0 answers
546 views
A 1×6 square unit rectangular grid has to be covered with six 1×1 square unit tiles. Three of the tiles are yellow, two are
0 answers
552 views
A 1×6 square unit rectangular grid has to be covered with six 1×1 square unit tiles. Three of the tiles are yellow, two are
0 answers
511 views
A 1×6 square unit rectangular grid has to be covered with six 1×1 square unit tiles. Three of the tiles are yellow, two are
1 answer
1,192 views
When you toss a die while playing a game, you can get 1, 2, 3, 4, 5, or 6 on the top face. How many possible combinations of the
0 answers
568 views
A six-sided die has been tossed 4 times. How many sequences of these 4 outcomes contain at least one number greater than 4?
2 answers
1,535 views
How many different words can be formed with the letters SCHOOL? (The words formed do not have to be real words.)
1 answer
882 views
Ten points are marked on one side of △ABC. Another side of △ABC has 11 marked points and the third side has 12 marked
0 answers
764 views
Find the least number such that
876xy is divisible by 20.
2 answers
550 views
Find the greatest number such that
x172y is divisible by 45
0 answers
494 views
Find the number of zeroes at the end of the number 55! = 1·2·…·54·55
1 answer
392 views
Find the number of zeroes at the end of the number 55! = 1·2·…·54·55
1 answer
572 views
15! = 130*674368* * * . Insert unknown digits instead of the `*` sign.
2 answers
726 views
Find the number of zeroes at the end of the number 55! = 1·2·…·54·55
1 answer
310 views
On a square gameboard that is divided into n rows of n squares each, k of these squares lie along the boundary of the gameboard.
0 answers
570 views
Find the greatest number such that
x172y is divisible by 45
2 answers
775 views
Find the greatest number such that
x360y is divisible by 24
2 answers
634 views
Find the least number such that
876xy is divisible by 20.
0 answers
334 views
Find the least number such that
8x7y5 is divisible by 75.
0 answers
461 views
The number 55 was multiplied by a 55-digit number containing only ones. What is the sum of the digits of the result?
1 answer
1,428 views
A rectangular quilt has 96 squares of the same size. How many shapes are there in which the quilt can be arranged?
1 answer
1,206 views
If positive integer number n has exactly 8 divisors, what is the least number of divisors can n2 have?
0 answers
523 views
Using the curve CD in the picture below, which is the graph of a function f, find:
b the value of x if y=−1; 0; 2; 3
2 answers
338 views
The difference of two positive integers was multiplied by their sum. If possible, find two numbers such that the result is equal
2 answers
443 views
Suppose LCM(a,b) = 20160, a=60. Find the smallest possible value of b.
1 answer
2,010 views
The difference of two positive integers was multiplied by their sum. If possible, find two numbers such that the result is equal
2 answers
578 views
Answers (1)
the numbers can repeat