DATA SUFFICIENCY

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…

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. 

Value of T where R = 10 is

I. S varies directly as R.

II. At a time R = 20 , S = 40 , T = 10.