Directions: This question presents a sentence, all or part of which is underlined. Beneath the sentence you will find five ways of phrasing the underlined part. The first of these repeats the original; the other four are different. If you think the original is best, choose the first answer; otherwise choose one of the others.

Numbers in Mathematics are strictly and purely impersonal and objective, they follow the same rules uniformly, consistently and invariably with no question of outlook, approach, personal psychology etc., involved therein and they are therefore absolutely reliable and dependable.

they follow the same rules uniformly, consistently and invariably with no question of outlook, approach, personal psychology etc., involved therein and they are therefore

follow the same rules uniformly, consistently and invariably with no question of outlook, approach, personal psychology etc., involved therein and they are therefore

follow the same rules uniformly, consistently and invariably with no question of outlook, approach, personal psychology etc., involved therein and are therefore

they follow the same rules uniformly, consistently and invariably with no question of outlook, approach, personal psychology etc., involved therein and are therefore

they follow the same rules uniformly, consistently and invariably with no question of outlook, they approach, personal psychology etc., involved therein and they are therefore