Math, asked by priyamguptain, 1 year ago

please give the answer of question 4 and 5

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Answered by sharoffamruthesh
0

Length of metal bar=240cm

After heating it increases 2percent

Length after heating =

Increase Percentage×actual measure÷100

2×240/100

480/100=4.8cm(increased length)

Therefore total length of bar=240+4.8=244.8cm


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