If compound interest received on a certain amount in the 2nd year is Rs 250. What will be the compound interest for the 3rd year

If compound interest received on a certain amount in the 2nd year is Rs 250. What will be the compound interest for the 3rd year on the same amount at 16% rate of interest?

(a) 260

(b) 266

(c) 280

(d) 290

 Sol: