# Arithmetic - math word problems

1. Server
Calculate how many average minutes a year is a webserver is unavailable, the availability is 99.99%.
2. Factors
Can the expression ? be factored into rational factors?
3. Cow
104 cow consumes 6968 kg hay per day. How many kg of hay consume one cow in one day?
4. Compare II
Which of the numbers 710, 107 is greater?
5. Blood
In human body the blood is about 7.3% body weight. How many kilograms of blood is in the human body with weight 109 kg?
6. Cube
The cube weighs 11 kg. How weight is cube of the same material, if its dimensions are 3-times smaller?
7. Compare
Compare fractions ?. Which fraction of the lower?
8. Divisibility
Is the number 761082 exactly divisible by 9? (the result is the integer and/or remainder is zero)
9. Chocolate
Leslie bought 8 same chocolates for 16 Eur. How many euros will he pay for 25 chocolates?
10. ŽSR
Calculate fixed annual personnel costs of operating monorail line 118 km long if every 5 km is station, which serve three people - one dispatcher and two switchman in 4-shift operation. Consider the average salary of the employee 885 €.
11. Pool
If water flows into the pool by two inlets, fill the whole for 8 hours. The first inlet filled pool 6 hour longer than second. How long pool take to fill with two inlets separately?
12. Water
Into a full cylindrical tank high 3 with base radius 2.4 m we insert cuboid with dimensions 1.7 m, 1.7 m, 0.8 m. How many liters of water will come out?
13. Powers
Express the expression ? as the n-th power of the base 10.
14. Power
Number ?. Find the value of x.
15. Rounding 2
Round the following negative number: -143.021
16. Wheat
The rectangle shaped field with dimensions 1268 m and 745 m harvested last year was 4959 q wheat. (1 q = 1 quintal = 100 kg). During the year, it was necessary to fix the pipe and therefore did kick wide 4 m parallel to the side of the field 745 m, where
17. Rounding
Double round number 727, first to tens, then to hundreds. (double rounding)
18. Valid number
Round the 453874528 on 2 significant numbers.
19. Daily average
Calculate the average temperature during the day, when 15 hours was 20 °C and 9 hours was 13 °C.
20. Colors
Willie got birthday 6 colour pens in different colors. How many ways he can give them side by side in pencil?

Do you have an interesting mathematical word problem that you can't solve it? Submit math problem, and we can try to solve it.

We will send a solution to your e-mail address. Solved examples are also published here. Please enter the e-mail correctly and check whether you don't have a full mailbox.

Please do not submit problems from current active competitions such as Mathematical Olympiad, correspondence seminars etc...