There is a rod of length 4cm and another rod of length 500mm has been joined to the first rod. Then the length of the rod(in cm) formed by joining these 2 is :
A
450cm
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B
54cm
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C
9cm
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D
4.5cm
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Solution
The correct option is C54cm
Length of first Rod is 4cm
Length of second Rod is 500mm
Total Length of the Rod by joining these two rods is 4cm500mm