Question

please answer correctly I will mark you as Brainliest​

Answer 1

Answer:

$\huge{\textbf{\textsf{{\color{navy}{An}}{\purple{sw}}{\pink{er}} {\color{pink}{:}}}}}$

Explanation:

.

as we know that

speed = distance/ time

then,

time = distance/ speed

therefore

time = 2km / 4km/h

time = 1/2

.

or 30 min

.

so option 3rd is correct

I hope it will help you