Arithmetic

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

Problems in this category

The problem is to evaluate the expression $(2\frac{1}{27} \times 1\frac{1}{9}) \div 1\frac{5}{6}$. T...

FractionsMixed NumbersMultiplicationDivisionSimplification
2025/4/11

The problem is to evaluate the expression $(\frac{3}{8} \times \frac{9}{16}) \div \frac{1}{4}$.

FractionsArithmetic OperationsSimplification
2025/4/11

We need to find the mean of the following mixed numbers, rounded to two decimal places: $1\frac{1}{2...

FractionsMixed NumbersMeanArithmetic OperationsDecimal ConversionLeast Common Multiple
2025/4/11

Problem 18: A trader paid import duty of 38 kobo in the naira on the cost of an engine. If a total o...

PercentageLinear EquationsGeometryEquilateral TrianglePerimeterProblem Solving
2025/4/11

The problem asks: What number should be subtracted from the sum of $2\frac{1}{6}$ and $2\frac{7}{12}...

FractionsMixed NumbersSubtractionArithmetic Operations
2025/4/11

The problem asks to round the number 0.00798516 to three significant figures.

RoundingSignificant FiguresDecimal Numbers
2025/4/11

The problem is to evaluate the arithmetic expression $9 + 2 \times 1$.

Order of OperationsArithmetic Expressions
2025/4/11

We need to evaluate the expression $6 + 3 \times 4$.

Order of OperationsArithmetic ExpressionsPEMDAS/BODMAS
2025/4/11

The problem is to evaluate the expression $2 + 2 \times 2$.

Order of OperationsPEMDASArithmetic Expressions
2025/4/11

We are asked to find the unknown value such that $9999 + 8888 + 777 + ? = 19700$.

AdditionSubtractionEquation Solving
2025/4/10