💥Join UPSC 2027,2028 Mentorship (June Batch) + Access XFactor Notes & Microthemes PDF

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

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

Answer:

(c)

Explanation

73 chairs will be made by the carpenters working together for 21 days.