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3. It takes 4 minutes to cut a rod into 2 pieces. Howong will it take to cut it into 5 pieces?4 minutes(c) 16 minutes(b) 10 minutes(d) 20 minutes |
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Answer» to cut rot into 2 pieces it has only to cut at one point which will automatically divide it into 2 partssimilarlyto cut it into 5 pieces it has to be cut at 4 points now time taken taken to cut at 1 point is 4 minutes so time to cut it at 4 points is 4 * 4 equal to 16 minutes. |
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