Study the question and all the three statements given and decide whether any information provided in the statements are redundand and can be dispensed with while answering the questions. Question : What is the rate of interest per year ? Statements : 1. The amount invested is Rs. 6000. 2. The amount becomes Rs. 6741.60 in 2 years at compound interest. 3. The difference between compound interest and simple interest in 2 years is Rs. 21.60.