Mr. Rafim can complete a job in 15 days, while Mr. Shafin takes twice as long to do the same. If the work together how many days will they require to complete the job?
Solution
Correct Answer: Option A
Mr. Rafim can do 1 days=1/15 parts
and Mr. Shafin can do 1 days=1/30 parts
(Mr. Rafim+ Mr. Shafin) can do 1 days=(1/15 +1/30) parts
“ “ “ “ = 1/10 parts
(Mr. Rafim+ Mr. Shafin),
1/10 parts can do = 1 day
So, 1 part “ “ = 10 days
Practice More Questions on Our App!
Download our app for free and access thousands of MCQ questions with detailed solutions