# Numbers - math word problems

- Rounding

Double round number 727, first to tens, then to hundreds. (double rounding) - Daily average

Calculate the average temperature during the day, when 15 hours was 20 °C and 9 hours was 13 °C. - Primes 2

Which prime numbers is number 2025 divisible? - Denominator

Calculate the missing denominator x: ? - Divisibility 2

How many divisors has integer number 13? - Divisibility

Determine all divisors of number 84. - Company

After increasing the number of employees by 15% company has 253 employees. How many employees take? - Strange x

For what x is true ?? - Cubic

Convert 660 m^{3}of natural gas volume to energy units kWh. Combustion of 1 cubic meter of natural gas is released energy 10.55 kWh. - Gauss

Help little C.F. Gauss sum all the integers from 1 to 400. - Is equal

Is equal following terms? ? - School

27 students of 6.D class is going to a trip. They pay 9 € each. The teacher got 153 €. How many children have not paid? - Root

Use law of square roots roots: ? - Determine the number

Determine the number x that ?. - Quadratic equation

Determine the numbers b, c that the numbers x_{1}= -1 and x_{2}= 3 were roots of quadratic equation: ? - Diofant 2

Is equation ? solvable on the set of integers Z? - Pumps

The tank is filled with two pumps in 16 minutes. The first pump is filled in 30 minutes earlier than two one. How many minutes is filled with the first pump? - Biquadratic

By introducing a new variable solve biquadratic equation: ? - Diagonals of the rhombus

Calculate height of rhombus whose diagonals are 12 cm and 19 cm. - Trigonometric functions

In right triangle is: ? Determine the value of s and c: ? ?

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