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A sheet of rectangular paper measures 12 cm by 20 cm. At the
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09 Oct 2020, 04:45
09 Oct 2020, 04:45
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Question Stats:
79% (01:17) correct
20% (01:55) wrong based on 121 sessions
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A sheet of rectangular paper measures 12 cm by 20 cm. At the edge of the paper, a margin exactly 1-cm wide is painted all the way around. What percentage of the area of the original rectangle remains unpainted?
A. 95%
B. 90%
C. 85%
D. 80%
E. 75%
A. 95%
B. 90%
C. 85%
D. 80%
E. 75%
Re: A sheet of rectangular paper measures 12 cm by 20 cm. At the
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12 Oct 2020, 09:33
12 Oct 2020, 09:33
2
The 1cm around margin will be the length minus 2 and the breadth also minus 2
Original area is 12*20=240
Unpainted area is 10*18=180
Percentage area is 180/240*100=75%
Posted from my mobile device
Original area is 12*20=240
Unpainted area is 10*18=180
Percentage area is 180/240*100=75%
Posted from my mobile device
Re: A sheet of rectangular paper measures 12 cm by 20 cm. At the
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29 Sep 2025, 06:08
29 Sep 2025, 06:08
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Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
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