Find the missing number
5 : 24 :: 8 : ?

• ans will be 63
  5^2 -1= 24
  so 8^2 -1 =63
• 10 years agoHelpfull: Yes(17) No(7)
• 5/24=8/x.. x=38.4
• 10 years agoHelpfull: Yes(9) No(5)
• 5/24=8/x....cross multiplication
  ans is 39
• 10 years agoHelpfull: Yes(4) No(2)
• 63
  5*5=25 and mins 1 means 24
  like that 8*8=64 minus 1 means 63
• 10 years agoHelpfull: Yes(1) No(1)
• ans =38.4
  5:24::8:x
  =5*x=24*8=>x=(24*8)/5=38.4(by using proportion)
  
• 9 years agoHelpfull: Yes(1) No(1)
• ans 63
  5*(5-1)+(5-1)=24
  8*(8-1)+(8-1)=63
• 10 years agoHelpfull: Yes(0) No(0)
• a:b::c:d = >> a/b=c/d
  5:24::8:x =>> 5/24=8/x.. x=38.4
  
• 9 years agoHelpfull: Yes(0) No(1)
• 5*5=25
  25-1=24
  8*8=64
  64-1=63
• 9 years agoHelpfull: Yes(0) No(0)
• answer is 63.
  solution is:-
  as 5^2 - 1 = 24,
  so 8^2 - 1 = 63.
• 7 years agoHelpfull: Yes(0) No(0)
• The answer is
  5 : 24 :: 8 : 63
  24 = 4*6 in between these numbers, 5 is the middle number.
  
  63 = 7*9 as same as, 8 is the middle number.
• 5 years agoHelpfull: Yes(0) No(0)
• 63
  5*5=25-1=24
  8*8=64-1=63
• 3 years agoHelpfull: Yes(0) No(0)