6. The cost of fencing a square field @ ₹ 20 per metre is ₹10080. How much will it cost to lay a three metre wide pavement along the fencing inside the field @ ₹ 50 per sq. metre?

1. ₹ 37350 

2. ₹ 73800 

3. ₹ 77400

4. None of these

Correct Answer :

₹ 73800