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Question
Two equal pipes each having length of 6 m and 813 cm joined by welding and then a
small piece 85 cm is cut from the whole. What is the remaining length of the
pipe?
Two equal pipes each having length of 6 m and 813 cm joined by welding and then a
small piece 85 cm is cut from the whole. What is the remaining length of the
pipe?
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Solution
The correct option is D 13 m 541 cm
Lengths of each pipe = 6 m 813 cm
Total length of 2 pipes joined = 2 x (6 m 813 cm) = 12 m 1626 cm = 13 m 626 cm
Length of the small piece cut = 85 cm
Remaining length of the pipe = (13 m 626 cm – 85 cm) = 13 m 541 cm
Lengths of each pipe = 6 m 813 cm
Total length of 2 pipes joined = 2 x (6 m 813 cm) = 12 m 1626 cm = 13 m 626 cm
Length of the small piece cut = 85 cm
Remaining length of the pipe = (13 m 626 cm – 85 cm) = 13 m 541 cm
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are cut. Find the length of the piece of thread remaining.