InterviewSolution
 Saved Bookmarks
    				| 1. | 
                                    A submarine is at 350 m below the sea level. It ascends for 10 seconds and then stops. Its final positionis at 100 m below the sea level. Find the speed of the submarine. | 
                            
| 
                                   
Answer»  We know,Distance = Speed * Time Distance covered by submarine = 350 - 100 = 250 m Time taken = 10 sec Therefore,Speed of submarine= Distance/Time= 250/10= 25 m/sec  | 
                            |