Question : If the volume of a sphere is 24,416.64 cm³, find its surface area (take $\pi$ = 3.14) correct to two places of decimal.

Option 1: 3069.55 cm²

Option 2: 4069.44 cm²

Option 3: 5096.66 cm²

Option 4: 6069.67 cm²

Question : The external diameter of an iron pipe is 20 cm and its length is 12 cm. If the thickness of the pipe is 1 cm, find the surface area of the pipe (take $\pi=\frac{22}{7}$ ) correct to two places of decimal.

Option 1: 1,662.67 cm²

Option 2: 1,552.57 cm²

Option 3: 1,442.48 cm²

Option 4: 1,772.76 cm²

Question : The height of an equilateral triangle is $7 \sqrt{3}$ cm. What is the area of this equilateral triangle?

Option 1: $36 \sqrt{3}$ cm²

Option 2: $25 \sqrt{3}$ cm²

Option 3: $49 \sqrt{3}$ cm²

Option 4: $32 \sqrt{3}$ cm²

Question : Let A, B, and C be the mid-points of sides PQ, QR, and PR, respectively, of PQR. If the area of $\triangle$ PQR is 32 cm², then find the area of $\triangle$ ABC.

Option 1: 24 cm²

Option 2: 16 cm²

Option 3: 32 cm²

Option 4: 8 cm²

Question : The side of an equilateral triangle is $12 \text{ cm}$. What is the area (in $\text{cm}^2$, rounded off to 2 decimal places) of the triangle? (Given $\sqrt{3} = 1.732$)

Option 1: 68.07

Option 2: 63.89

Option 3: 62.35

Option 4: 65.23