In the following diagram, the position of the needle is shown on the scale of a voltmeter. The least

In the following diagram, the position of the needle is shown on the scale of a voltmeter. The least count of the voltmeter and the reading shown by it respectively are :
0.15 V and 1.6 V
0.05 V and 1.6 V
0.15 V and 1.8 V
0.05 V and 1.8 V