[Archive!] Pure mathematics, physics, chemistry, etc.: brain-training problems not related to trade in any way - page 514

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Race.
In order for it to work, you need two adjacent dice to have a sum of 7.
Only (D) fits.
Race.
In order for it to work, you need two adjacent dice to have a sum of 7.
Only (D) fits.
For (A)
For (*) and (**) there is only connection via (***) and (****) as (*) and (**) are in front and (*****) and (******) in back
So (**) and (***) can only be linked through (***) and (****) too
(***) and (****) do not fit, as (***) at the bottom bone at the front (****) at the back.
That's it, there are no options.
For (A)
For (*) and (**) there is only connection via (***) and (****) as (*) and (**) are in front and (*****) and (******) in back
So (**) and (***) can only be linked through (***) and (****) too
(***) and (****) do not fit, as (***) at the bottom bone at the front (****) at the back.
That's it, there are no options.
Yes, it's easy, thank you. All the previous tasks in the assignment were with arithmetic operations and here we got hung up ))
No, it should be posted here after all.
No prompting!
Well, yes, or repeat the pattern, it's not visible :(
There are two white, one blue and one red balloons.
Petya has puzzled a colour.
Vasya tries to guess the given colour at random. What is the probability that Vasya will guess?