The following question, there are three statements I, II and III. Read the question carefully and mark your answer according to which statements(s) is/are sufficient to the answer the question. What is the capacity of the tank? Statement I: The tank is cylindrical in shape and has area of base 62,300 sq.cm Statement II: The height of the cylindrical tank is 1.6 times the radius Statement III: The circumference of the base of the tank is 940 cm Correct Answer Either I & II or II & III We know the volume of capacity of cylinder = πr2h From statement I ⇒ πr2 = 62300 ⇒ r2 = (62300 × 7)/22 ⇒ r2 = 19822.72 cm ⇒ r = 140.79 cm From statement II ⇒ h = 1.6r ⇒ Substituting the value of ‘r’ from Statement I in the above equation, we can obtain the value of ‘h’ Thus, statements I and II will give the answer From statement III ⇒ 2πr = 940 ⇒ r = 149.54 So, statements II and III will also give the answer. ∴ Either statements I and II together or statements II and III together are sufficient to answer the question.