Bashny.Net
20 hazardous tasks Grigory Oster
Bashny.Net
Website suddenly remembered the wonderful "Book of problems in mathematics," Grigory Oster. If all books were written so exciting, do your homework it would be much more fun.
***
If you quietly sneak up to his grandfather and father behind and suddenly shout "Hurrah!", The Pope will jump to 18 cm. The grandfather, in the difficult years and survived not so, jump only 5 cm.
How many centimeters above the jump dad grandfather, who had heard a sudden "Hurrah!ยป?
***
Firefighters are taught to wear the pants in three seconds.
How much time to wear pants well-trained fire in five minutes? em>
***
40 grandmothers went to ride on a motorcycle. In front of a motorcycle without a muffler was traveling alone most nimble grandmother, her raced three motorcycles with sidecars, each of which fits three grandmothers, and behind them caught up with the rest of motorcycles. On stragglers motorcycles sat on two grandmothers.
How many motorcycles were grandmothers? em>
***
In a special box can be laid 68 eggs. If you knead with their feet, put 100 times more.
How many feet knead the eggs can be laid in the same three identical box? em>
***
Speckled Hen laid an egg, and the mouse went and broke. Then Ryaba laid three eggs. Mouse is also the smashed. I ryaba pull their socks up and pulled down five but shameless mouse to split these.
How many eggs could prepare your own eggs grandfather and a woman, if not spoiled your mouse? em>
***
If a microbe, recently discovered by scientists to increase 20 million times, it can be seen with the naked eye because of its length hvatalok will be equal to 1 cm, and the width kusalok - 2 cm.
What will be the length and width of kusalok hvatalok if this microbe to increase as early as 74 times, and what will happen to the naked scientists met this microbe on a narrow path? em>
***
Approaching the tree at a speed of 18 kilometers per hour, the cyclist Arthur wants to ride his bike beauty Katya.
How long will the Arthurian dream if left to the tree 25 meters? em>
***
Height Katie 1 m 75 cm. Stretched out full length, she sleeps under a blanket with a length of 155 cm.
How many centimeters Katie sticking out from under the covers? em>
***
Tireless boy walked 3 km in 30 minutes.
How many hours will pass 60 km the tireless boy? em>
***
Of the two villages located at a distance of 16 km, we left at 9 o'clock to meet each other and moving at the same speed of 8 km / h the two talkative aunt.
How many hours blurted aunt met, knowing that they would part at 12 o'clock? em>
***
Let's say that you decided to jump into the water from a height of 8 meters and flying 5 meters, he changed his mind.
How many meters will you still reluctant to fly? em>
***
Kuzma baby screaming bloody murder 5 hours a day and sleeps like a log 16 hours a day. The rest of the baby Kuzma enjoys life with all means available to it.
How many hours a day the baby Kuzma enjoying life? em>
***
My parrot Captain Flint 1567 examined curses in different languages. 271 expletive in English, 352 in French and 127 in Spanish. The rest of the swearing parrot learned from the great and mighty Russian language.
How many expletives learned personal parrot Captain Flint of the Russian language? em>
***
One grandfather was hunting cockroaches in the kitchen and killed five and wounded three times more. Three cockroaches grandfather fatally wounded, and they died of their wounds, while the other wounded cockroaches recovered, but are offended by my grandfather, and all went to the neighbors.
How many cockroaches went to the neighbors forever? em>
***
World-renowned scientists invented Innocent rake, which, if they come, hit on the forehead several times, as usual, and 8 times.
How many times did you hit on the forehead with a rake, invented by scientists with a world name Innocent, if you step on them 12 times? em>
***
Otplyakivayas from suryh plyak each hamsik shmyryaet on glyn 5 gnusikov.
How gnusikov shmyrnut on glyn 12 hamsikov, otplyakivayuschihsya from suryh plyak? em>
***
Lac polyuchit and Zsuzsa podklyakivayutsya to him one after the other. Klyak also polyuchit but Zsuzsa do not pay any attention to him. Lac has 284 nafunyal Zsuzsa and Klyak only one, and even that some nylaya.
How zhuzh will have Klyaka if Lac kindness otfunyaet him his 73 Zsuzsa? em>
***
In the sky, flying 35 ducklings. 12 ducklings forward looking, and the rest look back and see the tree on which sit 27 kittens.
How many ducklings look back, smaller than kittens sitting on a tree? em>
***
***
When Slyunik sees that someone has found PUSIC, he immediately begins to die of envy. On Thursday, in the presence of Slyunika Mryaka I found the first 6 PUSIC, and then another 12.
How many times in the day began to die of envy Slyunik? em>
Website of the book "Book of problems in mathematics," Grigory Oster
Illustrations: Denis Burusov
via # image8554710
Tags
See also
20 books that are worth reading to children at night
15 citations writer Isaac Asimov, who created his own universe
Second graders prodigy defeated Anatoly Vasserma
15 optimistic quotes from "Deniskina stories"
15 good films that will warm in winter evening
The 20 best books to read to children before bedtime
What is flatfoot and how you do it
