This is a basic addition problem requiring simple arithmetic.

This question tests basic division skills.

The area of a rectangle is calculated by multiplying length and width.

This question tests your understanding of fractions.

This is a sequence problem that involves multiplying by 2.

The median is the middle value in a set of numbers.

This question tests your understanding of ratios.

This is a percentage problem.

This is a sequence problem where the numbers increase by 5 each time.