- A13th day
- B6th day
- C12th day
- D25th day
Step-by-Step Solution
Each pair of days does . After 6 pairs (12 days) the job is exactly done.
Answer: C) 12th day
A alone finishes a job in 15 days; B alone in 10 days. They work on alternate days, starting with A. On which day is the job finished?
Class 8Time and WorkDirect and Inverse Proportions
Master this chapter in 30 minutes a day.
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Time and Work practice questions
More Class 8 Time and Work practice
12 women or 8 men can do a job in 30 days. How long will 6 women and 4 men take?On a job, A alone needs 6 days and B alone needs 8 days. They start together; after 2…Aarti paints 1/6 of a wall each day. The bar shows the wall split into one part per day,…The bar models show one whole job. Ravi finishes it in the number of days shown on his…Meena painted a wall alone on day 1; on day 2 Kavya joined her, and both worked at their…