Question

Ram completes 60% of a task in 15 days and then takes the help of Rahim and Rachel. Rahim is 50% as efficient as Ram is and Rachel is 50% as efficient as Rahim is. In how many more days will they complete the work?

• A. $121\\\\\,\,\,\,3$
• B. $51\\\7$
• C. $40\\\7$
• D. $65\\\7$

Answer 1

Answer: (C)

$40\\\7$

Answer 2

The correct option is (C): $40\\\7$