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02 Apr 2020, 02:12
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The basic ingredients from which cement is made are both cheap and plentiful. Materials as common as limestone and clay will do. Nevertheless, the price of cement is influenced by the price of oil, because turning the basic ingredients into cement in high-temperature kilns uses large amounts of energy.
Which one of the following can be logically inferred from the passage?
(A) Oil is one of the basic ingredients that make up cement.
(B) Oil is a source of energy for some of the kilns used in the making of cement.
(C) The higher the price of cement rises, the higher the price of clay rises.
(D) Whenever oil prices rise, cement prices drop.
(E) A given amount of cement costs no more than the total cost of its basic ingredients.
Which one of the following can be logically inferred from the passage?
(A) Oil is one of the basic ingredients that make up cement.
(B) Oil is a source of energy for some of the kilns used in the making of cement.
(C) The higher the price of cement rises, the higher the price of clay rises.
(D) Whenever oil prices rise, cement prices drop.
(E) A given amount of cement costs no more than the total cost of its basic ingredients.
Krishh9119
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02 Apr 2020, 10:19
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Question Type: Inference
Given:
1)The basic ingredients are cheap and plentiful like limestone and clay
2)price of cement proportional to price of oil because turning the basic ingredients into cement in high-temperature kilns uses large amounts of energy.
Rephrasing:That means oil is somehow connected to providing large amounts of energy to high temperature kilns.
(A) Oil is one of the basic ingredients that make up cement. No, oil is not described as cheap and plentiful like clay and limestone
(B) Oil is a source of energy for some of the kilns used in the making of cement. This can be inferred.
(C) The higher the price of cement rises, the higher the price of clay rises. There is no discussion of clay's price along with the rise of cement's price.
(D) Whenever oil prices rise, cement prices drop. Quite opposite of what is required.
(E) A given amount of cement costs no more than the total cost of its basic ingredients.
Oil is the main ingredient determining the cost.
Given:
1)The basic ingredients are cheap and plentiful like limestone and clay
2)price of cement proportional to price of oil because turning the basic ingredients into cement in high-temperature kilns uses large amounts of energy.
Rephrasing:That means oil is somehow connected to providing large amounts of energy to high temperature kilns.
(A) Oil is one of the basic ingredients that make up cement. No, oil is not described as cheap and plentiful like clay and limestone
(B) Oil is a source of energy for some of the kilns used in the making of cement. This can be inferred.
(C) The higher the price of cement rises, the higher the price of clay rises. There is no discussion of clay's price along with the rise of cement's price.
(D) Whenever oil prices rise, cement prices drop. Quite opposite of what is required.
(E) A given amount of cement costs no more than the total cost of its basic ingredients.
Oil is the main ingredient determining the cost. 
shameekv1989
GMAT 3: 720 Q50 V38
Posts: 827
02 Apr 2020, 16:05
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The basic ingredients from which cement is made are both cheap and plentiful. Materials as common as limestone and clay will do. Nevertheless, the price of cement is influenced by the price of oil, because turning the basic ingredients into cement in high-temperature kilns uses large amounts of energy.
Which one of the following can be logically inferred from the passage?
(A) Oil is one of the basic ingredients that make up cement.
(B) Oil is a source of energy for some of the kilns used in the making of cement.
(C) The higher the price of cement rises, the higher the price of clay rises.
(D) Whenever oil prices rise, cement prices drop.
(E) A given amount of cement costs no more than the total cost of its basic ingredients.
Premise :- Basic ingredients are used to make cement. To convert basic ingredients, large amount of energy is used.
Conclusion :- Thus oil influences the price of cement.
For oil to influence the price of the cement, it must be true that oil is a source of energy in making the cement.
Answer - B
Which one of the following can be logically inferred from the passage?
(A) Oil is one of the basic ingredients that make up cement.
(B) Oil is a source of energy for some of the kilns used in the making of cement.
(C) The higher the price of cement rises, the higher the price of clay rises.
(D) Whenever oil prices rise, cement prices drop.
(E) A given amount of cement costs no more than the total cost of its basic ingredients.
Premise :- Basic ingredients are used to make cement. To convert basic ingredients, large amount of energy is used.
Conclusion :- Thus oil influences the price of cement.
For oil to influence the price of the cement, it must be true that oil is a source of energy in making the cement.
Answer - B
