Sameera is junior _____ him ____ four years.

Sameera is junior _ him four years.

To - by

Than - by

Than - for

None of these

"Junior" is an adjective that describes someone as being younger or of lower status.

When using "junior" in a comparison, you use "to" instead of "than".

"By" is used to indicate the age difference (e.g., by four years).