Aptitude - Time and Work - Discussion
Discussion Forum : Time and Work - Data Sufficiency 1 (Q.No. 1)
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.
1.
A and B together can complete a task in 7 days. B alone can do it in 20 days. What part of the work was carried out by A? | |
I. | A completed the job alone after A and B worked together for 5 days. |
II. | Part of the work done by A could have been done by B and C together in 6 days. |
Answer: Option
Explanation:
| B's 1 day's work = | 1 |
| 20 |
| (A+ B)'s 1 day's work = | 1 |
| 7 |
| I. (A + B)'s 5 day's work = | 5 |
| 7 |
| Remaining work = |  |
1 - | 5 |  |
= | 2 | . |
| 7 | 7 |
 |
2 | work was carried by A. |
| 7 |
II. is irrelevant.
Correct answer is (A).
Discussion:
21 comments Page 3 of 3.
Singh said:
2 decades ago
Ankush you are genious yaar. You are 100% correct.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers