Range (4th)
  • 1. 10, 20, 15
A) 5
B) not given
C) 45
D) 10
  • 2. 20, 23, 17
A) 22
B) 43
C) not given
D) 7
  • 3. 9, 11, 22
A) 42
B) 13
C) 43
D) 20
  • 4. 55, 47, 54
A) 167
B) 11
C) 55
D) 54
  • 5. 22, 27, 30, 42
A) 33
B) not given
C) 20
D) 25
  • 6. 100, 200
A) not given
B) 300
C) 150
D) 250
  • 7. 4, 5, 6, 7, 8, 9, 3
A) 42
B) 6
C) 5
D) 7
  • 8. 5, 5, 5, 5, 8, 0, 0
A) 5
B) not given
C) 8
D) 7
  • 9. 52, 64
A) 60
B) 12
C) 109
D) not given
  • 10. 100, 90, 95, 105, 85
A) 20
B) 100
C) 10
D) 85
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