Q:

The power tariff had already (1)/been increased twice in (2)/the last 15 months and the Electricity Board had also (3)/levied additional monthly charges to consumers. (4)/No error (5) 

• 1
  The power tariff had already
• 2
  been increased twice in
• 3
  the last 15 months and the Electricity Board had also
• 4
  levied additional monthly charges to consumers
• 5
  No error