Question

(C) 120 cm
(0) 700
A cube of edge 5 cm is cut into cubes, each of
edge 1 cm. The ratio of the total surface area of
one of small cubes to that of the large cube is :
(a) 1: 125 (b) 1:5 (c) 1:625 (d) 1:25​

Answer 1

Step-by-step explanation:

• Surface area of large cube = 4a^2
• =4×5×5 =100cm^2
• Surface area of smaller cube = 4×1×1
• =4

1. Ratio 4:100
2. 1:25