Average product is equal to marginal product when: 

Choose the incorrect SYNONYM of the highlighted word.

Books have the power to guide,  comfort, and heal.

much greater than usual, especially in skill, intelligence, quality, etc.                  

She leans back onto the couch, giggling as I swing a makeshift pendulum before her eyes and lower my voice .

Select the option that best expresses the meaning of the underlined phrase/group of words.

Select the most appropriate option that can substitute the bold segment in the given sentence.

Select the option that can be used as a one-word substitute for the given group of words.

A collection of sticks

Rogue

Select the most appropriate option to substitute the highlighted segment. If no substitution is required select 'No substitution'.