A certain number of artisans can complete a shoe fabrication consignment in 16 days. 8 additional artisans had to be deployed for the same consignment and together they completed it in 4 days less than the earlier estimate. The number of artisans initially employed was
(a)18
(b)20
(c)24
(d)None of these
Answer
Answer (as printed): C
Explanation
Let the original number of artisans be x. More artisans, Less days (Indirect Proportion) \ (x + 8) : x : : 16 : 12 ⇔ 12 (x + 8) = 16 x ⇔ 4x = 96 ⇔ x = 24.
Explanation as extracted from the printed page; notation may be imperfect.