Get The Wrong Idea

1.       What is the volume of the cylindrical tank ? Statement I:  Diameter of the base is equal to the height of the tank. Statement II:  Height of the tank is 20 m. Statement III:  Area of the base is 320 sq. m. A) Only I and III. B) Only I C) Only III D) Any of the two E) None of these 2.       What is the selling price of the camera if no discount is offered ? Statement I:  Cost price of the camera is Rs.10,000. Statement II:  Profit earned was  20%. Statement III:  Had 20% discount been offered on selling price  the profit would have been Rs. 700. A) Only III B) Only II and III C) Only I and II D) All of these E) Any two of these 3.       How many students failed in class 6 ? Statement I:  400 students passed in class . Statement II:  Number of students failed in class 6 is 10% of those of failed in class 7? Statement III:  75% of the students who appeared in examination have passed either in class 8. A) Only II and III B) Only I and II C) Only II