Related Questions

In the following question, three statements are given. You have to find which is/are necessary and sufficient to answer the following question. Find the speed of the boat in still water. Statement I: The boat goes twice the distance downstream in the same time, as it goes upstream. Statement II: Speed of the boat in still water is three times the speed of the current. Statement III: The boat goes 840 meters in 1 hour 10 minutes downstream.
The following questions have three statements. Study the question and the statements and decide which of the statement(s) is/are necessary to answer the question. Find the speed of the boat in still water. Statement I: The boat goes twice the distance downstream as it goes upstream in 30 minutes. Statement II: The boat goes 720 meters in 1 hour downstream. Statement III: Speed of the boat in still water is three times the speed of the current.