What is the next number of the following sequence
5,50,10,40,15,30,20,20,?

• Ans: 25
  5,10,15,20; (+5)Series. Next one will be 25
  50,40,30,20; (-10)Series. Next on will be 10
• 10 years agoHelpfull: Yes(22) No(0)
• 5, 50 , 10, 40, 15, 30, 20, 20 ,25, 10
  (5,10,15,20) == add 5 alternatively
  (50,40,30,20,) == sub 10 alternatively
  
  so the next 2 ll be 25, 10
• 10 years agoHelpfull: Yes(4) No(0)
• 25
  split the series into two that is:
  5,10.15,20,25
  50,40,30,20,
  
  so 25 is next for seies first
• 10 years agoHelpfull: Yes(3) No(0)
• see the alternate number i.e.,5,10,15,20
  so the next no. be 25
• 10 years agoHelpfull: Yes(2) No(0)
• ans:25
  5,10,15.. increases
  50,40,30....decreases
• 10 years agoHelpfull: Yes(1) No(0)
• answer is 25
  alternative numbers
  1set:5,10,15,20 and 25 is answer
• 10 years agoHelpfull: Yes(1) No(0)
• 15
  the odd terms difference is 5 then we get 15.
• 10 years agoHelpfull: Yes(1) No(1)
• ans-10
  there is two series-
  5,10,15,20 and 50,40,30,20,10
  
• 10 years agoHelpfull: Yes(0) No(0)
• Ans: 25
  5,10,15,20 (+5)Series. Next one will be 25
  50,40,30,20 (-10)Series. Next one will be 10
• 10 years agoHelpfull: Yes(0) No(0)
• 25
  
  5 10 15 20 next one is 25 all odd places.
• 10 years agoHelpfull: Yes(0) No(0)
• It is combination of two series
  5,10,15,20,25
  50,40,30,20,10
• 10 years agoHelpfull: Yes(0) No(0)
• Ans:25
  there are 2 series
  5,10,15,20,25 and 50,40,30,20,10
• 10 years agoHelpfull: Yes(0) No(0)
• 5+5=10
  10+5=15
  15+5=20
  20+5=25
• 10 years agoHelpfull: Yes(0) No(0)
• Ans:25 because
  5+45=50
  50-40=10
  10+30=40
  40-25=15
  15+15=30
  30-10=20
  20+0=20
  20+5=25 so the answer is 25
• 10 years agoHelpfull: Yes(0) No(0)