The statement is resolved by identifying Ten percent as the precise match. Sardeshmukhi was commonly a ten-percent additional claim, distinct from chauth, justified through the Maratha ruler's asserted position as hereditary headman. Maratha state formation joined forts, mobile warfare, ministerial offices and fiscal claims over territories inside and outside the core kingdom. The distractors need separate rejection: Twenty-five percent belongs to a different institution, context or chronology; Fifty percent does not perform the function described in the stem; and Five percent fails the required association. The wording of “Sardeshmukhi was generally an additional Maratha levy of what proportion?” is deliberately specific, so the candidate should isolate its operative clue before recalling names. — Ten percent”, but also remember the factual reason stated above.