If  the value of  is

The bar graph shows the production of table fans in a factory during one week. Study the bar graph and answer the questions.

The maximum production exceeds the minimum production by

• 400

• 420

• 500

• 500

The bar graph shows the production of table fans in a factory during one week. Study the bar graph and answer the questions.

The average production of table fan in that week is

• 370

• 280

• 300

• 300

The bar graph shows the production of table fans in a factory during one week. Study the bar graph and answer the questions.

Ratio of the total production of table fans in the factory from Monday to Wednesday to that from Thursday to Saturday is

• 19 : 26

• 26 : 19

• 29 : 16

• 29 : 16

75.

The bar graph shows the production of table fans in a factory during one week. Study the bar graph and answer the questions.

The average production of table fans on Monday and Tuesday exceeds the average production of table fans during the week by

• 150 fans

• 100 fans

• 140 fans

• 140 fans