Nitin is 50% more efficient than Abhishek. How much time will they, working together, takes to complete a job which Nitin alone could have done in 30 days?

Options
- 20 days
- 18 days
- 25 days
- 22 days

CORRECT ANSWER : 18 days

Discussion Board
crct answer 18

the answer is 18
150:100
?:30
cross mul=>45:30
=>1/45+1/30
=>1/18
=>18

a 10-28-2019 05:32 AM

need explanation

is it only me who is getting the answer as 20

riya 07-21-2019 07:09 AM

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