Ram can complete a work in 18 days. Shyam is twice as efficient as Ram. If…
2023
Ram can complete a work in 18 days. Shyam is twice as efficient as Ram. If they both start working together, in how many days will they finish the work?
- A.
6 days
- B.
8 days
- C.
9 days
- D.
12 days
Attempted by 21 students.
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Correct answer: A
Ram's work rate is 1/18 per day. Shyam is twice as efficient, so his rate is 2/18 or 1/9 per day. Combined, they complete 3/18 (or 1/6) of the work per day. Therefore, they finish the work in 6 days.