Arithmetic

Problems related to basic calculations, fractions, decimals, etc.

Problems in this category

The problem asks us to find the geometric mean of 81 and 121.

Geometric MeanSquare RootsArithmetic Operations
2025/4/3

We are given that $a = 3$ and $c = 5$. We are asked to evaluate the following expressions: 9. $\frac...

Arithmetic OperationsOrder of OperationsSubstitution
2025/4/3

We are asked to evaluate the expression $\frac{12}{a} + c$, given that $a = 3$ and $c = 5$.

Arithmetic OperationsSubstitutionExpression Evaluation
2025/4/3

The problem asks us to evaluate the following expressions given $a=3$, $b=5$, $c=6$, and $r=30$.

Basic ArithmeticEvaluationSubstitution
2025/4/3

The problem asks us to evaluate several expressions given the values $p=2$ and $r=30$. The expressio...

SubstitutionNumerical EvaluationBasic Arithmetic
2025/4/3

The problem asks us to find the least common denominator (LCD) of the two fractions $\frac{7}{45xy^3...

FractionsLeast Common DenominatorLCMAlgebraic Expressions
2025/4/3

Oscar has 310 ml of oil. He needs 21% of it for a recipe. We need to find how much oil he needs in m...

PercentageMultiplicationUnits Conversion
2025/4/3

Poppy has $26 and Leo has $36. Poppy spends $\frac{12}{13}$ of her money, and Leo spends $\frac{7}{9...

FractionsPercentagesWord ProblemArithmetic Operations
2025/4/3

The problem asks us to find the missing value in the expression: $25\%$ of $\underline{\hspace{1cm}}...

PercentagesProportionsSolving Equations
2025/4/3

The problem asks to find the missing value in the equation: "25% of [missing value] is 120". We need...

PercentageEquation SolvingBasic Arithmetic
2025/4/3