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