MARKa) if question cannot be answered with the help of both I and II. b) if question cannot be answered with the help of I alone. c) if question cannot be answered with the help of II alone. d) if question can be answered with the help of …
MARK
a) if question cannot be answered with the help of both I and II.
b) if question cannot be answered with the help of I alone.
c) if question cannot be answered with the help of II alone.
d) if question can be answered with the help of both I and II.
Find the speed of motor boat in still water.
I. The stream runs at 2 km/hr .
II. The boat goes 10 km upstream and back again in 55 minutes.