A question is given followed by two statements labelled I and II. Identify which one of the following statement is/are necessary to answer the question. Questions: What will be the height of three students Rachana,Rupali, and Pritam altogether ,if pritam’s height is 39cm? Statements: 1. The sum of the height of Rachna & pritam is equal to 160cm. 2. The height of Rupali is equal to 3 times the height of pritam.