Read the following sentence to find out whether there is an error in any part. No sentence has more than one error. If you feel there is no error in a sentence, choose ‘No error’.
Calcutta is farther from the equator than Colombo.

Correct option is D

Option (d) is correct – No error.
Explanation: “Farther” is correctly used here to express physical distance. The comparison is between the distances of Calcutta and Colombo from the equator.
Grammatical rule used:
Use “farther” when referring to measurable physical distances; use “further” for figurative or abstract distances.
Example: Delhi is farther from the equator than Chennai.
Information Booster: “Farther” = measurable; “Further” = metaphorical.