प्र:

Rearrange the parts of the sentence in correct order.

Research shows

P. that medium-skilled employees who work

Q. in front of a computer and work beyond

R. 4.6 effective hours a day produce smaller

S. quantities of output per hour due to fatigue

• 1
  RQSP
• 2
  PQSR
• 3
  SQRP
• 4
  PQRS