Aptitude - Area - Discussion
Discussion Forum : Area - Data Sufficiency 2 (Q.No. 1)
Directions to Solve
Each of the questions given below consists of a question followed by three statements. You have to study the question and the statements and decide which of the statement(s) is/are necessary to answer the question.
1.
What is the area of the hall? | |
I. | Material cost of flooring per square metre is Rs. 2.50 |
II. | Labour cost of flooring the hall is Rs. 3500 |
III. | Total cost of flooring the hall is Rs. 14,500. |
Answer: Option
Explanation:
I. Material cost = Rs. 2.50 per m2
II. Labour cost = Rs. 3500.
III. Total cost = Rs. 14,500.
Let the area be A sq. metres.
Material cost = Rs. (14500 - 3500) = Rs. 11,000.
| |
5A | = 11000  A = |
 |
11000 x 2 |  |
= 4400 m2. |
| 2 | 5 |
Thus, all I, II and III are needed to get the answer.
Correct answer is (C).
Discussion:
7 comments Page 1 of 1.
Navya said:
1 decade ago
5A/2 means
Dilip said:
1 decade ago
Yes, Why A is multiplied by 5/2 . . . Please Reply
Rupam said:
1 decade ago
5/2 means this :
Material cost = 11000 and material cost per sq. Metre = 2.5 or 5/2.
So, since 5/2 = 1 sq.mtr.
Therefore, 11000 = 11000x(2/5)x1 = 4400.
Material cost = 11000 and material cost per sq. Metre = 2.5 or 5/2.
So, since 5/2 = 1 sq.mtr.
Therefore, 11000 = 11000x(2/5)x1 = 4400.
Raagul said:
9 years ago
Thank you @Rupam.
Aditi said:
9 years ago
Please explain me in detail.
Soniya said:
6 years ago
I am not understanding this, please explain.
Ankita said:
5 years ago
Total Material cost =14500-3500=rs.11000.
The material cost of flooring per square metre is Rs. 2.50.
[2.50=5/2.
or.
2 and 1/2 i;e 2+1/2 is 5/2].
Hence,
11000/(5/2).
11000*2/5 = 4400.
The material cost of flooring per square metre is Rs. 2.50.
[2.50=5/2.
or.
2 and 1/2 i;e 2+1/2 is 5/2].
Hence,
11000/(5/2).
11000*2/5 = 4400.
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