1/7, 3/4, 4/9, 5/6, 7/11, 7/8, ?

• solution 10/13
  two series
  3/4,5/6,7/8,
  1/7,4/9,7/11 nm increases by 3 and dm by 2
  so 10/13
• 11 years agoHelpfull: Yes(97) No(0)
• 1st 1/7,4/9,7/11
  So (1+3)/(7+2),(4+3)/(7+2),(7+3)/(11+2)=10/13
• 11 years agoHelpfull: Yes(9) No(4)
• this has two series
  1/7 , 4/9 , 7/11..... and 3/4 , 5/6 , 7/8 ....
  so, the required ans is 1/7 , 4/9 , 7/11 , 10/11
• 11 years agoHelpfull: Yes(4) No(7)
• The answer is 10/13
  
• 7 years agoHelpfull: Yes(1) No(0)