Concise Selina Solutions for Class 7 maths Chapter 6 Ratio and Proportion (Including Sharing in a Ratio)

A ratio is a mathematical expression written in the form of a: b, where a and b are any integers. It expresses a fraction. .

A proportion is a statement where two or more ratios are equivalent..

A proportion is an equation with a ratio on each side. It is a statement that two ratios are equal. It is 3/4 = 6/8 an example of a proportion. When one of the four numbers in a proportion is unknown, cross products may be used to find the unknown number. It is called solving the proportion.

It is the ratio in which the profits or losses of a business are shared. For a partnership, the profit-sharing ratios will be set out in the partnership agreement. It will show the amount, usually given as a percentage of the total profits, attributable to each partner. Chapter 6 provides students with the knowledge of ratio, conversion of ratio, proportion and continued proportion.