A. Multiple choice type questions.
1. Which of the following is not an SI unit?

(a) Metre (b) Pound
(c) Kilogram (d) Second

2. If the mass of a solution is 10mg, it is the same as

(a) 10-6g (b) 10-12g
(c) 10-9g (d) 10-3g

3. A line segment was measured using a scale. One end of the line segment coincided with the 1.3cm mark on the scale. The other end coincided with 7.2 cm mark. The length of the line segment is

(a) 1.3cm (b) 7.2cm
(c) 8.5cm (d) 5.9cm

4. Rajesh travelled from city A to city B by car. The average speed of the car was 70 km/h. It took 4h 30min to cover the distance. The distance between the two cities is

(a) 315km (b) 280km
(c) 2100km (d) 17.5km