- A and B complete a work in 6 days. A alone can do it in 10 days. If both together can do the work in how many days?
- 3.75 days
- 4 days
- 5 days
- 6 days
Answer & Explanation
Answer: Option A
Explanation:
1/6 + 1/10 = 8/30 = 4/15
15/4 = 3.75 days
- A can do a piece of work in 4 days. B can do it in 5 days. With the assistance of C they completed the work in 2 days. Find in how many days can C alone do it?
- 10 days
- 20 days
- 5 days
- 4 days
Answer & Explanation
Answer: Option B
Explanation:
C = 1/2 - 1/4 - 1/5 = 1/20 => 20 days
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Answer: Option A
Explanation: I. (10 x 6) men can complete the work in 1 day.
So, 10 women can finish the work in 8 days.
III. (10 men's work for 3 days) + (10 women's work for 4 days) = 1 (10 x 3) men's 1 day's work + (10 x 4) women's 1 day's work = 1 30 men's 1 day's work + 40 women's 1 day's work = 1
Thus, I and III will give us the answer. And, II and III will give us the answer. Correct answer is (A). |
Directions to Solve
Each of these questions is followed by three statements. You have to study the question and all the three statements given to decide whether any information provided in the statement(s) is redundant and can be dispensed with while answering the given question.
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Explanation:
Clearly, I only gives the answer.
Similarly, II only gives the answer.
And, III only gives the answer.
Correct answer is (D).