Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Quantitative Aptitude Mensuration Solid Figures
A wooden cube of side 8 cm is cut into small cubes of side 2 cm each. What is the percentage increase or decrease in the surface area after such cutting ?
1
300% decrease
2
300% increase
3
400% decrease
4
More than one of the above.
5
None of the above