Teaching CTET (Paper 1 & Paper 2) Mock Test Series 2025 Quantitative Aptitude Mensuration Solid Figures
Three cubes with sides in the ratio of 3 ∶ 4 ∶ 5 are melted to form a single cube whose diagonal is 18√3 cm. The sides of the three cubes are:
1
21 cm, 28 cm and 35 cm
2
9 cm, 12 cm and 15 cm
3
18 cm, 24 cm and 30 cm
4
12 cm, 16 cm and 20 cm