Let the speed of the car leaving A to be 'x' km/h and the speed of the car leaving B to be 'y' km/h. Total distance=80 km Also 1 hour 20 mins= 4/3 hour When an automobile goes in the same direction...

Let’s suppose speed of the train be $Akm/hr$ speed of the car $=Bkm/hr$ There are two parts Part 1: When the women travels $400km$ by train and the rest by car. Part 2: When Riya travels $200km$ by...

Let’s assume, The speed of the train be $Ckm/hr$ The speed of the car $=Dkm/hr$ From the question, it’s understood that there are two parts # Part 1: When Ramesh travels $160Km$ by train and the...

Let’s assume C to be the speed of the stream. So, we know that Speed of boat in downstream $=(5+C)$ and, Speed of boat in upstream $=(5–C)$ It is given that, The distance in one way is $40km$. And,...

Let the actual speed of the man be $Ckm/hr$ and D be the actual time taken by him in hours. So, we know that Distance covered = speed C distance ⇒ Distance$=C\times D=CD$ …………………………. (i) First...

Let’s assume, The speed of the boat in still water as $Ckm/hr$ And, The speed of the stream as $Dkm/hr$ We know that, Speed of the boat in upstream $=(C–D)km/hr$ Speed of the boat in downstream...

Let’s assume, The speed of the boat in still water as $Ckm/hr$ And, The speed of the stream as $Dkm/hr$ We know that, Speed of the boat in upstream $=(C–D)km/hr$ Speed of the boat in downstream...

Let’s assume, The speed of the sailor in still water as $Ckm/hr$ And, The speed of the current as $Dkm/hr$ We know that, Speed of the sailor in upstream $=(C–D)km/hr$ Speed of the sailor in...

Let’s consider the car starting from point P as C and its speed as C km/hr. The car starts from point B as D and its speed as D km/hr. There are two cases in the question: Case i: Car C and D are...