Maths by Mr. M. P. Keshari
CBSE Maths eBooks CBSE Guess > eBooks > Class X > Maths by Mr. M. P. Keshari Chapter I : Linear Equations in two variables in two variables Example 17. A person can row downstream 20 km in 2 hours and upstream 4 km in 2 hours. Find man’s speed of rowing is still water and the speed of the current. Solution: Let man’s speed of rowing be x km/h and speed of the current y km/h
