Mathematics · Time and Work
To complete a task, A takes 15 days whereas B takes 21 days. If they work alone on alternate days by turn, with B starting on the first day, the number of days required to complete the task is:
- 117 47✓
- 218 25
- 316 335
- 48 335
Correct answer
17 47
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Preparing for Mathematics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Time and Work?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Mathematics · Time and Work