Direction: Which of the following phrases (I), (II), and (III) given below each sentence should replace the phrase printed in bold letters to make the sentence grammatically correct? Choose the best option among the five given alternatives that reflect the correct use of phrase in the context of the grammatically correct sentence. If the sentence is correct as it is, mark (e) i.e., "No correction required" as the answer.

Q:

Washing your hands at regular intervals could be the most effective method to staying healthy and protecting yourself from various ailments.

(I) is the most effective way of staying
(II) can be the most effective way to stay
(III) has the effective effect to stay

• 1
  Only (I) is correct
• 2
  Only (II) is correct
• 3
  Both (I) and (III) are correct
• 4
  All are correct
• 5
  No correction required