# Arithmetic - math word problems

1. Primes 2
For what primes p,q,r is true: p2-(q+r)2=647
2. Mountain
Mountain has the elevation 7450 meters and in the morning is the middle portion thereof in the clouds. How many meters of height is in the sky if bellow the clouds is 2,000 meters and above clouds are two fifths of elevation of the mountain?
3. Soup
On Monday we cook 25 pots and 10 boilers of soup. On Tuesday 15 pots and 13 boilers. On Wednesday 20 pots and on Thursday 30 boilers. On Monday and Tuesday was cooked the same amount of soup. How many times more soup cooked on Thursday than on Wednesday?
4. Sick
Sick Marcel already taken six tablets, which was a quarter of the total number of pills in the pack. How many pills were in the pack?
5. Number
What number I think? The third is 6 and half is 2 more than the its quarter.
6. Cube 9
What was the original edge length of the cube if after cutting 39 small cubes with an edge length 2 dm left 200 dm3?
7. Package
The package was 23 meters of textile. The first day sold 12.3 meters. How many meters of textile remained in the package?
8. The tap
For one day flows 148 l of water out of the tap. How much water will flow out for 3/4 day?
9. Classroom 4
In a class of 36 pupils, 2/3 are girls. How much it is in a class girls and boys?
10. Seeds
Of the 72 wet seeds 7/8 germinated. How many seeds germinate?
11. Ferko
Ferko boarded the tram which has already been 19 passengers. At the first stop on the tram left twice fewer passengers and on second stop again twice times less. The third stop was final. How many passengers left with Ferko at the third stop?
12. Paper collecting
At the paper collecting contest gathered Franta 2/9 ton, Karel 1/4 ton, and Patrick 19/36 tons of paper. Who has gathered the most and the least?
13. Dog
Dog is tied to a chain, which is mounted in a corner of the yard. Yard has the shape of a square with a side length of 20 meters. The same long is also dogchain. Are there places in the yard where dog can't reach?
14. Trio 2
Decide whether trio of numbers is the side of a right triangle: 26,24,10.
15. Hypotenuse
Calculate the length of the hypotenuse of a right triangle with a catheti 71 cm and 49 cm long.
16. Chocolate
Children break chocolate first to third and then every part of another half. What kind got each child? Draw a picture. What part would have received if each piece have halved?
17. Joshka
Joshka had € 15. Mama took him 15%. How many had left?
18. Roses and tulips
At the florist are 50 tulips and 5 times less roses. How many flowers are in flower shop?
19. Compare:
What is bigger? ?
20. Cube 6
Surface area of one wall cube is 1600 cm square. How many liters of water can fit into the cube?

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