SSC Selection Post 2022 PYQ — Question 74

SSC Selection Post - Matriculation Level 2022 - 2 Feb 2022 - Shift 1 • Quantitative Aptitude • Q74

If the length of the diagonal of a cube is 163\sqrt{3} cm, what is its lateral surface area (in sq cm)?

Show answer & explanation

Correct answer: C

Explanation

The correct answer is option 3 i.e. 1,024

Let side of cube = a

Diagonal of cube = 16316\sqrt{3} cm

a3=163a\sqrt{3} = 16\sqrt{3}

a = 16

Lateral Surface Area = 4a24a^2 = 4×1624 \times 16^2= 4 × 256 =1024 cm2