Which of the following dimension is according to the ‘aligned system’ of dimensioning?

From the following figure, which is the repetitive dimension?

Which is the wrong statement regarding dimensions?

The dimensions of a circular part or arc should be given where the true shape is visible.

The axis of the cylinder or sphere is denoted by which of the following line?

The wrong statement about leader line is _________

What is the angle of inclined letter to be drawn through right side?</p>

In aligned system the dimensions are ______