Interactive conceptual questions, diagrams, and step-by-step solutions across Science, Mathematics, Environmental Studies, Social Studies, and English.
Marking pattern: +1.00 positive, 0.00 negative marking.
A progress bar below shows the battery level of a tablet. What percentage of the battery is already used up?
Which of the following statements about percentage is true?
Convert the fraction $\frac{4}{25}$ into a percentage.
A rectangular chocolate bar is divided into $10$ equal pieces as shown below. What percentage of the chocolate bar is shaded?
Calculate $15\%$ of $600\text{ kg}$.
What is $0\text{ (zero)}$ expressed as a percentage of any non-zero quantity?
A library has $500$ books in total. If $35\%$ of the books are fiction, $40\%$ are non-fiction, and the remaining are science books, what is the number of science books?
What is $12.5\%$ expressed as a decimal number?
In an orchard with $80$ fruit trees, $20$ trees are apple trees. What percentage of the fruit trees are apple trees?
A water tank with a capacity of $200\text{ litres}$ contains $140\text{ litres}$ of water. What percentage of the tank is empty?
Which of the following comparisons between fractions and percentages is incorrect?
A rectangular ribbon is partitioned into $5$ equal segments as shown below. What percentage of the ribbon is shaded?
Convert $0.08$ into an equivalent percentage.
A student has completed $45\%$ of their homework assignment. What percentage of the assignment is still left to be completed?
A target meter tracks the progress of a fundraising drive toward its goal of $βΉ1000$ as shown below. How much money has been raised so far?
A carton contains $50$ glass tumblers. During transit, $6$ tumblers were found broken. What percentage of the tumblers were broken?
Evaluate and find $50\%$ of $70\text{ kg}$.
What is the fraction $\frac{32}{100}$ written in its percentage form?
What is the value of the numerical expression: $18 + 6 \div 2 - 5$?
Evaluate the given mathematical expression: $24 \div 4 \times 3 + 2$.
Simplify the expression containing nested brackets: $50 - [20 + (12 - 4)]$.
Simplify the numerical expression containing the mathematical term 'of': $40 \div 4\text{ of }2 + 7$.
Find the simplified value of the expression: $15 + \{16 \div (7 - 3)\}$.
Evaluate the given arithmetic statement: $16 \times 0\text{ (zero)} + 20 \div 4 - 5$.
Simplify the nested mathematical expression: $75 - [15 + 3 \times \{20 - (18 - 6)\}]$.