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Name of capital of Canada.

Some pen are not pink.
All pinks are blacks.
some blacks are not brown.
Some browns are reds.
All reds are yellows.
No yellow is orange.
Con:
I.All pink being pen is a possibility.
II.Some reds are not blacks.

which of these follows the statement

some reds are trees.
all tree are black.
no tree is carbon
All carbon are air
some carbon are oxygen.
no oxygen is ozone.
Con:
All red being ozone is a possibility.

does this conclusion follow statements

123!  can be written in the form of 4n. how???

number of non-negative integral solutions of

a+b+c+d<=15 ?

any method to know prime numbers quickly

venn diagram questions

For a given (n,m,k)..

Using values in the range (0..k), how many different m-combos can be made which sum to n?

For example, if (n,m,k) = (3,3,2) there are 7 possible combinations. For (5,4,2) there seem to be 16.

I've been trying to approach this like the binomial formula, stars and bars sort of deal but the k-constraint is puzzling me and I'm not entirely sure of what to do.

give questions for ib acio

Where I get current affairs as in the form of audio files in English?if you know please tell me..