
Mastering HCF, LCM, and Factors
Authored by Sudha Dontharaju
Mathematics
6th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the HCF of 24 and 36?
12
24
18
6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Find the LCM of 8 and 12.
30
24
16
20
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
List the prime factors of 60.
3, 5, 10
[2, 3, 5]
1, 6, 12
2, 4, 15
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is 49 a composite number? Why or why not?
49 is neither prime nor composite.
Yes, 49 is a composite number.
49 is a prime number.
49 is an even number.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify a pair of co-prime numbers from the following: (8, 9), (12, 15), (14, 21).
(12, 15)
(14, 21)
(8, 9)
(8, 12)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A gardener has 36 red roses and 48 yellow roses. What is the maximum number of bouquets he can make if each bouquet has the same number of each type of rose?
24
18
6
12
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the HCF of 18, 30, and 42?
9
6
3
12
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