A labourer can do a job in 36 hours. After 9 hours he takes a break. What fraction of the job is yet to be done?
- A0.5
- B0.25
- C0.75
- D0.2
Solution & Step-by-step Explanation
Total time required to complete the job = 36 hours.
Time worked before the break = 9 hours.
Fraction of the job completed:
Fraction completed=
36
9
=
4
1
=0.25
Fraction of the job remaining to be done:
Fraction remaining=1−0.25=0.75
Time worked before the break = 9 hours.
Fraction of the job completed:
Fraction completed=
36
9
=
4
1
=0.25
Fraction of the job remaining to be done:
Fraction remaining=1−0.25=0.75