Volumes Practice Test 1

Question : 18 of 40

Marks: +1, -0

How many iron rods, each of length 7m and diameter 2 cm can be made out of 0.88 cubic metre of iron?

Solution:

Required number of iron rods =

{0.88}/{{22}/7×(1/{100})^2×7}

{8800}/{22}

= 400

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