A closed aquarium of dimensions 30 cm × 25 cm × 20 cm is made up entirely of glass plates held together with tapes. The total length of tape required to hold the plates together (ignore the overlapping tapes) is :
A. 75 cm
B. 120 cm
C. 150 cm
D. 300 cm
Answer: Option D
Solution (By Examveda Team)
Total length of tape required := Sum of lengths of edges
= (30 × 4 + 25 × 4 + 20 × 4) cm
= 300 cm
This Question Belongs to Arithmetic Ability >> Volume And Surface Area
30 meter not in centimeter