Q:

Consider a group comprising of 4 students: Reena, Beena, Meena and Neena, who stand in a row.Reena and Beena stand in 6th and 7th positions respectively from the left. Meena and Neena stand in the4th and 5th positions respectively from the right. When Beena and Meena exchange their positions, thenBeena will be 15th from the left. Originally, Neena's position from the left is: 

• 1
  16
• 2
  14
• 3
  13
• 4
  5