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though permutation.

Problem Solving

i just mean 1*1 squares. there are 30 squares of 1*1.

by alp80

Wed Jan 13, 2010 5:01 am
Forum: Problem Solving
Topic: though permutation.
Replies: 4
Views: 1355

though permutation.

Problem Solving

you have to assume the diagram. there are 30 squares. answer is 315.

by alp80

Tue Jan 12, 2010 11:29 pm
Forum: Problem Solving
Topic: though permutation.
Replies: 4
Views: 1355

though permutation.

Problem Solving
though permutation.

there are 6 vertical and 5 horizontal line. there are 30 squares. How many rectangular does it contain?

a. 300
b. 315
c.340
d.336

by alp80

Tue Jan 12, 2010 1:51 pm
Forum: Problem Solving
Topic: though permutation.
Replies: 4
Views: 1355