A rope is 21 times as long as a thread of length 7 cm. What is the length of the rope?

148 cm

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146 cm

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147 cm

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149 cm

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Solution

The correct option is C 147 cm
Length of the thread = 7 cm

Given,
The rope is 21 times as long as the thread.

So, the length of the rope equals $21 \times 7 cm = 147 cm .$

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