a two digit no has same digit at its unit and tens place.
the square of the two digit no is 4356.
find the two digit no.

• 66
  66*66=4356 where same digit at its unit and tens place
• 10 years agoHelpfull: Yes(0) No(0)
• let two digit no. be 10x+x=11x
  (11x)^2=4356
  solve for x i.e x=6
  therefore two digit no=10*6+6=66
• 10 years agoHelpfull: Yes(0) No(0)
• suppose no. is =xx
  and square of these two digit no. is 4356
  so only possibilities is as unit digit of xx is 4,6
  so by hit and trail ans is 66
• 9 years agoHelpfull: Yes(0) No(0)
• 66
  sample 11 22 33 44 55 66 77 88 99
  of which only 6^2 end with 6
• 9 years agoHelpfull: Yes(0) No(0)
• (4356)^1/2=66
  thats the solution.
• 9 years agoHelpfull: Yes(0) No(0)