Anish

5 Questions
1 Answers

0

1

1324

2

+18

A permutation of the numbers (1,2,3,...,n) is a rearrangement of the numbers in which each number appears exactly once.

A permutation of the numbers (1,2,3,...,n) is a rearrangement of the numbers in which each number appears exactly once. For example, (2,5,1,4,3) is a permutation of (1,2,3,4,5). Let \pi = (x_1,x_2,x_3,---,x_n) be a permutation of the numbers (1,2,3,....,n). read more ..

Anish Nov 3, 2019

0

535

0

+18

A permutation of the numbers (1,2,3,...,n) is a rearrangement of the numbers in which each number appears exactly once.

A permutation of the numbers (1,2,3,...,n) is a rearrangement of the numbers in which each number appears exactly once. For example, (2,5,1,4,3) is a permutation of (1,2,3,4,5). Let \pi = (x_1,x_2,x_3,---,x_n) be a permutation of the numbers (1,2,3,....,n). read more ..

off-topic

Anish Nov 3, 2019

0

1847

3

+18

Find the number of positive integers that are divisors of at least one of 10 10 ,12 12 , and 15 15 .

Find the number of positive integers that are divisors of at least one of 1010,1212 , and 1515.

Anish Nov 3, 2019

0

1143

1

+18

An ant crawls!

A rectangular 12x20 waffle is divided into 1x1 squares. An ant crawls along a straight path from one corner to the opposite corner. How many squares of the waffle does the ant cross through?

Anish Nov 3, 2019

0

939

1

+18

Probability Question

When I visit a local cafe, there's an 80% probability that I'll order a sandwich and a 70% probability that I'll order a soup. If there's a 5% probability that I don't order the sandwich or soup, then what's the probability that I order both the sandwich read more ..

Anish Nov 3, 2019

+18

0

It's 10 to the power of 10?

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AnishNov 3, 2019