There are six cities A, B, C ,D, E and F.
A is not a hill station.
B and E are not historical places.
D is not an industrial city.
A and D are not historical cities.
A and B are not alike.

Which two cities are industrial centres ?

A. A and B
B. E and F
C. C and D
D. B and F
E. A and D
Answer: B . E and F


The given information can be analysed as follows :

  A B C D E F
Historical x x x x
Industrial x x
Hill Stations x

Since A and B are not alike and because A is industrial, B cannot be industrial but only a hill station.
So, we put a cross for B across industrial.
Clearly, A, C, E, and F are industrial centres, So, the answer is (b).