Problems

Some girls are on a street. On the street, standing in a circle, four girls are talking: Janine, Mimi, Beatrix and Tash. A girl in a green dress (not Janine or Mimi) stands between a girl in a blue dress and Tash. A girl in a white dress is standing between a girl in a pink dress and Mimi. What dress is on each of the girls?

Replace the letters in the word $TRANSPORTIROVKA$ by numbers (different letters correspond to different numbers, but the same letters correspond to identical numbers) so that the inequality $T>R>A>N<P<O<R<T>I>R>O<V<K<A$.

Burbot-Liman. Find the numbers that, when substituted for letters instead of the letters in the expression $NALIM\times 4=LIMAN$, fulfill the given equality (different letters correspond to different numbers, but identical letters correspond to identical numbers)

Restore the numbers. Restore the digits in the following example by dividing as is shown in the image

Decipher the numerical puzzle system $$\{\begin{array}{rl}& MA\times MA=MIR\\ & AM\times AM=RIM\end{array}$$ (different letters correspond to different numbers, and identical letters correspond to the same numbers).

Everyone believed that the Dragon was one-eyed, two-eared, three-legged, four-nosed and five-headed. In fact, only four of these definitions form a certain pattern, and one is redundant. Which characteristic is unnecessary?

Seven nines written out in a series: 9 9 9 9 9 9 9. Put some “$+$” or “$-$” between some of them, so that the resultant expression equals 1989.

The tower clock chimes three times in 12 seconds. How long will six chimes last?

Fred always tells the truth, but George always lies. What question could you ask them so that they would give the same answer?

Woodchucks are sawing a log. They made 10 cuts. How many pieces were made?