# Question #43427

##### 1 Answer

It's important to understand what Downstream and Upstream mean here.

Let's assume the Speed of the Boat in Still water to be **4kmph** )

** #color(green)(*Downstream#** would mean that the current and the boat are moving in the

**SAME direction**. Hence the speed of the current would enhance the speed of the boat and the overall speed would be

We know that

For Downstream it will be

** #color(red)(*Upstream#** would mean that the current and the boat are moving in the

**OPPOSITE direction**. Hence the speed of the current would restrict the speed of the boat and the overall speed would be

For Upstream it will be

- Based on the data given,

The rate of Jai Singh’s boat in still water will be