Chapter 4: Sailing (Numericals Solution)

PON4-1

PON4-2'

 

PON4-3

PON4-4

PON4-5

PON4-6

PON4-7PON4-8 PON4-9 PON4-10 PON4-11 PON4-12

PON4-13

PON4-14

PON4-154-16

4-17

manas NIRENWAL