Mathematics · Mensuration
The length of a rectangle measured with a 10 m chain was found to be 100 m. This chain was 10 cm too long. Also, during the measurement of breadth with a chain of 20 m length, the applied pull was 20 kg, whereas the standard pull for the chain was 10 kg. The measured breadth was 50 m. Find the actual area of the rectangle in m 2 . (Take modulus of elasticity of chain = 2 × 10 6 kg/cm 2 and area of cross-section of chain = 0.05 cm 2 )
- 15049.798
- 25050.505✓
- 35050.000
- 45050.101
Correct answer
5050.505
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