Puneeta borrowed from Reena certain sum for two years at simple interest. Puneeta lent this sum to Venu at the same rate for two years compound interest. At the end of two years she received ₹110 as compound interest but paid ₹100 as simple interest. Find the sum and rate of interest:

A

₹250, rate 10% per annum

B

₹250, rate 20% per annum

C

₹250, rate 25% per annum

D

None of these