Arithmetic
Problems related to basic calculations, fractions, decimals, etc.
Problems in this category
The problem asks to select all ratios that are equivalent to the ratio $6:12$. The given options are...
RatiosProportionsSimplification
2025/4/30
The problem asks us to select all ratios that are equivalent to the ratio $3:12$. The options are $1...
RatiosProportionsSimplificationEquivalent Ratios
2025/4/30
The problem asks to select all ratios that are equivalent to the ratio $5:3$. The options are $55:33...
RatiosProportionsSimplification
2025/4/30
The problem asks to select all ratios that are equivalent to the ratio $10:15$. The choices are $6:9...
RatiosProportionsSimplification
2025/4/30
The problem asks us to identify which ratios are equivalent to the ratio 3:7. The options are 21:49,...
RatiosProportionsFractionsSimplification
2025/4/30
The problem asks to find the percentage increase when a value increases from 130 to 156.
Percentage IncreaseRatioFractions
2025/4/30
A hippopotamus had a mass of $29.4$ kg at birth. At two months old, it had a mass of $78.9$ kg. We n...
Percentage IncreaseWord ProblemRounding
2025/4/30
The problem is to find the percentage decrease when $2500 decreases to $1700.
Percentage DecreaseRatioPercentage
2025/4/30
We need to find the percentage increase when 130 increases to 156.
Percentage IncreaseWord ProblemArithmetic Operations
2025/4/30
The price of a radio is $\$14$. The sales tax is $3\frac{1}{2}\%$. We need to find the total cost in...
PercentageSales TaxDecimal Arithmetic
2025/4/30