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6072574
LCM & HCF
Description
Quiz on LCM & HCF, created by Timmy Wong on 19/08/2016.
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Quiz by
Timmy Wong
, updated more than 1 year ago
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Created by
Timmy Wong
over 8 years ago
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Resource summary
Question 1
Question
18和26的HCF是?
Answer
1
3
13
2
Question 2
Question
16和32的公因數有甚麼?
Answer
1
8
9
4
Question 3
Question
桌上有16塊青蘋果、24塊紅蘋果和一些碟子。小明把所有蘋果都平均地放置在碟子上,而且分好以後,沒有任何碟子和蘋果剩餘。請問碟子最多可以有多少個?
Answer
16
24
10
8
Question 4
Question
有一個比賽,須多人分組競賽,現有成年男生72人,成年女生48人,以及小童56人。若要每組的成年男生、成年女生和小童人數各自相等,而且所有人必須有組,問最多可分成多少組?分成那麼多組後,每組有多少成年人?
Answer
最多可分成2組,每組有60位成年人。
最多可分成8組,每組有22位成年人。
最多可分成8組,每組有15位成年人。
最多可分成2組,每組有44位成年人。
Question 5
Question
16、24和40的LCM和HCF是?
Answer
LCM是16,HCF是24。
LCM是24,HCF是16。
LCM是240,HCF是8。
LCM和HCF都是40。
Question 6
Question
有一箱橘子不足400顆,若每5顆分一組則剩3顆,每6顆分一組則剩4顆,每8顆分一組則還少2顆,問此箱橘子最多有幾顆?
Answer
400
358
360
843
Question 7
Question
學校的長方形操場長24米、闊12米,甲乙丙三人同時以每秒3米、4米和6米的速度逆時針不變動速度繞着操場步行,甲乙丙最快幾秒同時在出發點相遇?
Answer
12
72
60
48
Question 8
Question
只有1和自己是因數的兩個數相乘,得出的積的因數只有1和自己。
Answer
True
False
Question 9
Question
任何一個正整數的最大因數和最小倍數都是它自己。
Answer
True
False
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