Ravi is standing in a row at the position where the difference between the product of his position and the persons before him and product of his position and persons after him is 18.What is Ravi's position and total numbers of persons in row.

• total 19 persons are there and he is standing at 9th position.
  then
  9*10-9*8=90-72=18
• 12 years agoHelpfull: Yes(10) No(1)
• other possible case
  
  Total 14 persons and Ravi is standing at 6 th position.
  
  6*8-6*5 =48-30=18
• 12 years agoHelpfull: Yes(9) No(0)