Three carpenters , , and working simultaneously and independently at their respective constant rates, can build a shed in 8 hours. How long does it take Carpenter , working alone at a constant rate, to build the shed?

(1) Carpenters and , working simultaneously and independently at their respective constant rates, can build the shed in 12 hours.

(2) Carpenters and , working simultaneously and independently at their respective constant rates, can build the shed in 16 hours.

If , is ?

(1)

(2)

If , is ?

(1)

(2)

On a certain date, Sashi invested $1,000 at  percent simple annual interest and a different amount at percent simple annual interest. What amount did Sashi invest at percent simple annual interest?

(1) Sashi invested $1,000 at 2 percent simple annual interest and the other amount at 3 percent simple interest.

(2) The total amount of interest earned by Sashi's two investments in one year was $100.

A tortoise moves at a constant speed of 15 feet per minute. If the tortoise moves across a field, is the distance that the tortoise moves less than 0.1 mile? (1 mile = 5,280 feet)

(1) It takes the tortoise less than 0.6 hour to move across the field.

(2) It takes the tortoise more than 0.5 hour to move across the field.

A pulley is used to move boxes at a constant speed of 150 centimeters per second. If the pulley moves a box from the floor to the top shelf in a warehouse, is that distance more than 25 meters? (1 meter = 100 centimeters)

(1) It takes the pulley less than 0.4 minutes to move the box from the floor to the top shelf.

(2) It takes the pulley more than 0.3 minutes to move the box from the floor to the top shelf.

In the triangle above, does ?

(1)

(2)

According to the passage, which of the following statements regarding outsourcing is true?

According to the passage, which of the following statements regarding Gail Braybon's outlook on women's roles during the First World War is true?

According to the passage, which of the following statements regarding phenotypic characterization of bacteria is true?

According to the passage, which of the following is true regarding challenges faced by retail management?

According to the passage, which of the following differences between the first and second theory presented in the passage is true?

According to the passage, which of the following statements regarding water scarcity is true?

According to the passage, which of the following statements regarding the initial direction of the American Federation of Labor is true? 

If and , which of the following must be equal to 0?

I.

II.

III.