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A beam 9 m long, 40 cm wide and 20 cm hi...

A beam 9 m long, 40 cm wide and 20 cm high is made up of iron which weight 50kg per cubic metre. The weight of the beam is

A

56 kg

B

48 kg

C

36kg

D

27 kg

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The correct Answer is:
C
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RS AGGARWAL-VOLUME AND SURFACE AREA OF SOLIDS-EXERCISE 20 C OBJECTIVE QUESTIONS
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