1 to 20 numbers are there (Some waste data). If n numbers are false at the end of the series!
X) 1st 10 numbers are true.
Y) Last 10 numbers are false.
i. X is true.
ii. X & Y both are true.
iii. Y is false.
iv. Either X or Y is false.

• X and Y both are true
  
• 10 years agoHelpfull: Yes(4) No(0)
• both x and y are true.
• 10 years agoHelpfull: Yes(1) No(0)
• can u plz explain akansha
• 10 years agoHelpfull: Yes(0) No(0)
• X and Y both are true.
  The condition that last n numbers are false is satisfied only when both X and Y are true hence option (iii) is correct.
• 10 years agoHelpfull: Yes(0) No(2)
• according to question clear that X & Y both are true
• 10 years agoHelpfull: Yes(0) No(0)
• X & Y both are true
• 10 years agoHelpfull: Yes(0) No(0)