Arithmetic
Problems related to basic calculations, fractions, decimals, etc.
Problems in this category
In a school, there are 160 people working, of which 25% are women. How many women must be hired so t...
PercentageWord ProblemRatio
2025/4/23
In a farm, 40% of the birds are chickens. If 20% of the chickens are sold, by what percentage has th...
PercentageWord ProblemProportions
2025/4/23
We need to calculate the total cost for item 28, which involves purchasing goods in two batches with...
PercentageCost CalculationVATAdditionMultiplication
2025/4/23
The problem asks us to calculate the total cost of goods purchased, including the value-added tax (V...
Percentage CalculationVATDecimal ArithmeticFinancial Math
2025/4/23
The problem asks us to estimate the value of the expression $0.49+0.99$ without using a calculator a...
EstimationAdditionDecimal Numbers
2025/4/23
The problem asks us to evaluate the expression $-\frac{8}{5} - (-2\frac{1}{4}) - \frac{1}{2}$.
FractionsArithmetic OperationsMixed Numbers
2025/4/23
The problem is to convert 150 mL to HI. This appears to be a conversion of volume to a substance. Ho...
Units ConversionVolumeMetric System
2025/4/23
The image shows $150 mL \rightarrow HI$. It seems like we need to find the amount of $HI$ from $150 ...
Units ConversionVolume
2025/4/23
The image presents a unit conversion problem. We are asked to convert 15.25 kiloliters (kL) to liter...
Unit ConversionMetric System
2025/4/23
The problem is to convert $0.0092 \text{ hm}$ to $\text{mm}$.
Unit ConversionMetric SystemMeasurement
2025/4/23