Factors I - Normal

Question 1: What is LCM (the least common multiple) of

4

and

5

?

A

20

B

10

C

15

D

12

Question 2: What is LCM of

5

and

10

?

A

5

B

20

C

10

D

50

Question 3: What is LCM of

8

and

6

?

A

24

B

32

C

48

D

40

Question 4: Write

32

as a product of prime numbers

A

4 \cdot 4 \cdot 2

B

8 \cdot 4

C

2 \cdot 2 \cdot 2 \cdot 2 \cdot 2

D

2 \cdot 2 \cdot 2 \cdot 4

Question 5: Write

40

as a product of prime numbers

A

2 \cdot 2 \cdot 3 \cdot 5

B

2 \cdot 2 \cdot 2 \cdot 5

C

2 \cdot 2 \cdot 6

D

5 \cdot 8

Question 6: Write

50

as a product of prime numbers

A

2 \cdot 3 \cdot 5

B

25 \cdot 2

C

5 \cdot 10

D

2 \cdot 5 \cdot 5

Question 7: What is HCF (the highest common factor) of

15

and

20

?

A

2

B

5

C

10

D

3

Question 8: What is HCF of

48

and

24

?

A

6

B

24

C

12

D

8

Question 9: What is HCF of

27

and

18

?

A

3

B

18

C

6

D

9

Question 10: Solve

2^{2} \cdot 3 \cdot 5

A

60

B

50

C

48

D

30

Test: Factors I - Normal

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