DATA SUFFICIENCY

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.