a 100kg NPK 15: 15: 15 compound fertilizer has a filler make -up weight of

a 100kg NPK 15: 15: 15 compound fertilizer has a filler make -up weight of
  • A.
    30kg
  • B.
    40kg
  • C.
    45kg
  • D.
    55kg
Correct Answer: Option D
Explanation
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