In which form of trial balance ‘L.F. No.’ is not shown?

State whether true or false.
(a) All rectangles are squares.
(b) All rhombuses are parallelograms.
(c) All squares are rhombuses and also rectangles.
(d) All squares are not parallelograms.
(e) All kites are rhombuses.
(f) All rhombuses are kites.
(g) All parallelograms are trapeziums.
(h) All squares are trapeziums.

आप्रेटिंग सिस्टम क्या होता है ?