The distance between two points measured during a hot summer by using a 30 m long chain was 2.4 km. At the end of the day’s work, it was found that the chain was 2 decimetre longer. Which of the following is the correct option?

The distance between two points measured during a hot summer by using a 30 m long chain was 2.4 km. At the end of the day’s work, it was found that the chain was 2 decimetre longer. Which of the following is the correct option?

1. The measured distance is 16 cm less than the actual distance.
2. The measured distance is 1.6 cm more than the actual distance.
3. The measured distance is 1600 cm less than the actual distance.           (Ans)
4. The measured distance is 16 m more than the actual distance.