UPSC Prelims · 2008 · GS Paper I · Q139
Carpenter A can make a chair in 6 hours, carpenter B in 7 hours and carpenter C in 8 hours. If each carpenter works for 8 hours per day, how many chairs will be made in 21 days?
- (A)61
- (B)67
- (C)73
- (D)79
The answer key for this question is not in the bank yet.
- Subject
- History