
百分法 2
Authored by 朱 永軒
Mathematics
8th - 12th Grade
Used 13+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
當某數增加 22%,它變成 6344。求原數。
4948.32
5200
5260
5310
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
嘉雯在 2012 年收到的花紅是 $20 000。嘉雯收到的花紅在 2013 年增加了 5%,而在 2014 年減少了 3%。嘉雯在 2014 年收到的花紅是
$21000。
$20400。
$20370。
$19400。
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
某公司的盈利在 2018 年至 2019 年間減少了 10%,而在 2019 年至 2020 年間減少了 8%。若該公司在 2020 年的盈利是 $380880,求該公司在 2018 年的盈利。
$448 000
$452 000
$460 000
$465 000
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
某主題樂園去年的成人遊客人數和小童遊客人數分別是 126000人和165000人。今年,成人遊客人數減少了 5%,而小童遊客人數增加了 3%。該主題樂園今年的總遊客人數是多少人?
279750
285180
289650
302250
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一隻手錶現值 $38 000。若它的價值每季上升 2%,求該手錶兩年後的價值。
$43 025(準確至最接近的元)
$43 886(準確至最接近的元)
$44 523(準確至最接近的元)
$46 317(準確至最接近的元)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
某城巿的平均氣溫每年上升 0.5%。該城巿在 2018 年的平均氣溫是 24.4°C。求該城巿在 2015 年的平均氣溫。
24.0°C (準確至最接近的 0.1°C)
24.1°C (準確至最接近的 0.1°C)
24.2°C (準確至最接近的 0.1°C)
24.3°C (準確至最接近的 0.1°C)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
家賢兩年前用 $6500買了一部手提電話。該部手提電話的價值每半年下跌 6%。求該部手提電話的現值值。
$4900 (準確至三位有效數字)
$5070 (準確至三位有效數字)
$5150 (準確至三位有效數字)
$5420 (準確至三位有效數字)
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