Получите 30₽ за публикацию своей разработки в библиотеке «Инфоурок»Добавить материал
Описание презентации по отдельным слайдам:
PROBLEM 1 “THE ENGLISH” @ “THE GERMANS” A hundred (100) students studied English and German at the same time. After finishing the courses they took an exam which showed that 10 students could speak neither English nor German. Of the rest 75 people passed an exam in German and 83 students coped with their English exam. How many students can speak both languages?
Problem 2 THE ARTIST’S HAIR COLOUR Three guys meet in a café. Sculptor White, violinist Black and painter Red. “It’s really gorgeous that one of us has got white hair, the second – black and the third – red hair, but none of our surnames corresponds with the colour of our hair”, the black-haired one remarks. “You are absolutely right”, says sculptor White. What colour hair has the painter got?
PROBLEM 3 A SPY STORY. A spy hiding in the bushes watches and estimates the situation at the block post. An officer approaches the block post. The sentry: “Password” ! The officer: “26” The sentry: “Reply”! The officer: “9” The sentry: “Pass by”! The second officer comes up to the blockpost. “Password!” “22” “Reply!” “9” “Pass by!” The spy supposes he has got the idea rushes to the sentry. The sentry: “Password!” The spy: “100” The sentry: “Reply” The spy: “50” So in the end the spy was arrested and shot. What reply should have been correct?
Курс повышения квалификации
Вам будут интересны эти курсы:
Авторизуйтесь, чтобы задавать вопросы.