4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many days would required to woven 8 mats by 8 mat-weavers ?

A 4

B 8

C 12

D 16

Correct Answer: Option A

Solution: 4 mat weavers weave 4 mats in = 4 days

1 " " " 1 " " = (4 \( \times \) 4) / 4

8 " " " 8 " " = (4 \( \times \) 4 \( \times \) 8) / (4 \( \times \) 8)

= 4 days