Error message in my excel formula

I gave a formula like

IF(N3=0,"N/A",IF(Q3=0,IF(M3<=N3,"FAIL","PASS")),IF(M3>=O3,”PASS”,”FAIL”),0)

and its showing error message as "To many arguments for this function".

You can always break up your formula in a text editor like I've done below.
There you see outermost IF has 5 parameters.

IF(
  N3=0,
  "N/A",
  IF(
    Q3=0,
    IF(
      M3<=N3,
      "FAIL",
      "PASS"
    )
  ),
  IF(
    M3>=O3,
    ”PASS”,
    ”FAIL”
  ),
  0
)

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