Question:

20 m$^3$ of wood in CGS system is equal to ______________.

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A useful shortcut for competitive exams is remembering $1 \text{ m}^3 \approx 35.31 \text{ cft}$. Multiplication becomes much faster.
  • 540. 50 cft
  • 706.30 cft
  • 600.60 cft
  • 840.20 cft
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The Correct Option is B

Solution and Explanation

Step 1: Understanding the Question:
The question asks for a conversion of volume from metric units (m$^3$) to British Imperial units (cubic feet or cft).

Step 2: Key Formula or Approach:

1. 1 meter = 3.28084 feet.
2. 1 m$^3$ = (3.28084)$^3$ cubic feet.
3. 1 m$^3 \approx 35.3147$ cft.

Step 3: Detailed Explanation:


• We are given a volume of 20 m$^3$.

• To convert this to cft, we multiply by the conversion factor:
\[ \text{Volume in cft} = 20 \times 35.3147 \]
\[ \text{Volume in cft} = 706.294 \]

• Rounding to two decimal places, we get 706.30 cft.

Step 4: Final Answer:

20 m$^3$ of wood is equal to 706.30 cft.
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