JNU 2002 doubt

[bhavya jain]

An individual ranks any two bundles (x,y) & (x',y') in the following manner; if either x>x' or if x=x' & y>y', the individual prefers (x,y) to (x',y'). Given that the individual has an income of rs 100/week & the px=2/unit & py=1/unit, the individual will purchase every week
a) 25 units of x & 50 units of y
b) 100 units of y
c) 50 units of x
d) 45 units of x & 10 units of y
will the answer be c)?

[Akshay Jain]

The question is of lexicographic preferences....it shud b option c

[Anjali]

How to solve such questions akshay ?