The following table shows different types of geysers sold by a company over 6 years (numbers in thousands)

Answer the following question based on the table:

The total sales of all the six years are the minimum for which geyser?

A

By Finding total sale of all one by one by using option:-

1.Total sale of D = 98 + 112 + 109 + 102 + 124 + 134 = 679

2. Total sale of A = 75 + 100 + 105 + 100 + 95 + 85 = 560

3. Total sale of C = 103 + 103 + 112 + 123 + 102 + 134 = 677

4. Total sale of B = 122 + 102 + 108 + 189 + 123 + 145 = 789

So , Sale of A is minimum.