IBPS RRB Officer Scale 1 Model Paper 8

A playground is in the shape of a rectangle. A sum of Rs. 1000 was spent to make the ground usable at the rate of 25 paise per m 2 . The breadth of the ground is 50 m. If the length of the ground is increased by 20 m, what will be the expenditure, (in Rs.) at the same rateper m 2 ?