Q:

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
 When we believe that our mind is thinking ______ thoughts at the same time, what actually is happening is that __________ thoughts are __________ in such quick ___________ so as to seem simultaneous

• 1
  homogenous, measurable, unchanging, velocity
• 2
  challenging, limited, fixed, interruption
• 3
  multiple, myriad, alternating, succession
• 4
  uniform, countable, altering, ramification