The easiest examples - page 3
Adam has 9 CDs more than Filip and 10 CDs less than Dominica. Filip has 7 CDs. How many CDs has Adam and how many CDs has Dominika?
In the hutch are 48 mottled rabbits. Brown are 23 less than mottled and white are 8-times less than mottled. How many rabbits are in the hutch?
How many ways are there to arrange 6 books on a shelf?
How many ways can 5 guests sit down on 6 seats standing in a row?
- Angles 1
It is true neighboring angles have not common arm?
Calculate the 4.6 ‰ of 199.
In the box are 12 candies that look the same. Three of them are filled with nougat, five by nuts, four by cream. At least how many candies must Ivan choose to satisfy itself that the selection of two with the same filling? ?
Cherries in the bowl can be divided equally among 8 or 10 or 11 children. How many is the minimum cherries in the bowl?
From complete sets of playing cards (32 cards) we pulled out one card. What is the probability of pulling the ace?
Calculate the surface cube with edge 11 dm.
- Stock market
Simon one day decided to invest € 62000 to the stock market. After six months he invested July 25 stock markets fell by 47%. Fortunately for Simon from July 25 5 to October 25 his shares have risen by 39%. Simon is then: ?
Is right that in any right triangle height is less or equal half of the hypotenuse?
Increasing the minimum wage while maintaining the other parameters of the system, unemployment will be:
- Playing cards
How many possible ways are to shuffle 7 playing cards?
Two workers would make installation of greenhouses for 54 hours. For how many hours does the installation 9 workers?
- Classroom 3
How many children are in the classroom, where 13 children are higher than Lenka and 9 children lower than Lenka?
Andrew wrote this series of numbers: 1,3,7,15, .... n. Which number in the series does not belong? ?
- Garden plot
Calculate how many meters of fence need to fence the square garden with length and width of 22 meters.
Trunk diameter is 52 cm. Is it possible to inscribe a square prism with side 36 cm?
Fisherman caught 32 fish, which is four times more than last year. How many fish he caught last year?