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Aptitude - Area - Discussion

Discussion Forum : Area - Data Sufficiency 1 (Q.No. 4)
Area
Directions to Solve

Each of the questions given below consists of a statement and / or a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement(s) is / are sufficient to answer the given question. Read the both statements and

  • Give answer (A) if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
  • Give answer (B) if the data in Statement II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
  • Give answer (C) if the data either in Statement I or in Statement II alone are sufficient to answer the question.
  • Give answer (D) if the data even in both Statements I and II together are not sufficient to answer the question.
  • Give answer(E) if the data in both Statements I and II together are necessary to answer the question.
4.

What will be the cost of painting the inner walls of a room if the rate of painting is Rs. 20 per square foot?

I. 

Circumference of the floor is 44 feet.

 II. 

The height of the wall of the room is 12 feet.

I alone sufficient while II alone not sufficient to answer
II alone sufficient while I alone not sufficient to answer
Either I or II alone sufficient to answer
Both I and II are not sufficient to answer
Both I and II are necessary to answer
Answer: Option
Explanation:

I gives, 2R = 44.

II gives, H = 12.

A = 2RH = (44 x 12).

Cost of painting = Rs. (44 x 12 x 20).

Thus, I and II together give the answer.

Correct answer is (E).

Discussion:
15 comments Page 1 of 2.
Archana muduli said:   1 decade ago
Circumference of inner wall is how that much you have written.
Bikash said:   1 decade ago
It is not given in the question that the room is cylindrical in shape. If we consider it to be square plus if the walls are not of the same dimensions then it cannot be solved.
Chandrabhan said:   1 decade ago
Please answer this question that would be help me for crack this some were from 4 has came in this question please answer for the same. Its necessary.
Chandrabhan chauhan said:   1 decade ago
Hi there please answer my one question that would be help to me for crack this question were from the 4 came into this sum. Please reply for the same. Need the positive reply on it.
Karthi said:   1 decade ago
How the cylinder formula is used? Can anyone explain?
Ashish Kumar said:   1 decade ago
It is not mentioned that the room is cylindrical. Normally one assumes the room is rectangular in shape.
Kritika said:   9 years ago
The shape of the room is not mentioned. Then, how can we consider it as cylindrical?
Rijul said:   8 years ago
How can we take it as cylindrical?
Sanu said:   8 years ago
Cylindrical room? The answer cannot be determined by the data.
Vasim said:   8 years ago
Yes, in a Question it is not mentioned that room is cylindrical but in option, they gave data in terms of a circle. Due to this, we have to assume wall as a cylindrical in shape.
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