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Aptitude - Time and Distance - Discussion

Discussion Forum : Time and Distance - Data Sufficiency 1 (Q.No. 4)
Time and Distance
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.

How much time did X take to reach the destination?

I. 

The ratio between the speed of X and Y is 3 : 4.

 II. 

Y takes 36 minutes to reach the same destination.

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:

Since ratio of speed of X : Y is 3 : 4, then ratio of time will be 4 : 3.

 I. If Y takes 3 min, then X takes 4 min.

II. If Y takes 36 min, then X takes 4 x 36 min = 48 min.
3

Thus, I and II together give the answer.

Correct answer is (E).

Discussion:
3 comments Page 1 of 1.
Abi.. said:   1 decade ago
How many days should accompany 30 women to complete the work in 12 days?

1) Four men and six women can complete the work in 60 days.

2) Four men or six women can complete the work in 120 days.

Please answer these question with explantion.
(1)
Aseem said:   1 decade ago
It's not mentioned if they start from the same point. So (D) should be the answer.
Anil said:   1 decade ago
Answer is B, Six women can do the work in 120 days means the work required 720 women days. If 30 women work for 12 days means only half of the work will be done. so to complete the work another 300women required.
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