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