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Find the mcm and MCD
  • 1. Find the mcm of 12 and 20
A) 120
B) 100
C) 20
D) 60
E) 140
  • 2. Find the mcm of 24 and 30
A) 120
B) 30
C) 5
D) 60
E) 15
  • 3. Find the mcm of 10, 20 and 25
A) 50
B) 5
C) 100
D) 150
E) 25
  • 4. Find the mcm of 120 and 250
A) 1500
B) 750
C) 3000
D) 125
E) 375
  • 5. Find the mcm of 340 and 630
A) 5355
B) 1071
C) 10710
D) 21420
E) 63
  • 6. Find the MCD of 50 and 60
A) 2
B) 15
C) 8
D) 10
E) 6
  • 7. Find the MCD of 12 and 20
A) 8
B) 2
C) 12
D) 10
E) 4
  • 8. Find the MCD of 30 and 50
A) 12
B) 2
C) 10
D) 5
E) 8
  • 9. Find the MCD of 8 and 130
A) 8
B) 10
C) 2
D) 4
E) 13
  • 10. Find the MCD of 360 and 240
A) 15
B) 120
C) 5
D) 30
E) 60
  • 11. Is 13 a prime number
A) Yes
B) No
  • 12. Is 23 a prime number
A) Yes
B) NO
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