Multiple choice

Ryanggang is North Korea's poorest state, with an annual per capita income of $78, lower than in the most impoverished countries of the world.

  1. lower than in

  2. lower than that of

  3. and lower than that of

  4. which is lower than in
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The sentence seeks to compare the income of a state using 'lower than' which can logically be compared only with income of other countries. This is the case only in option (3). Hence (3).

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