6, 12, 21, ?, 48

A. 33 B. 38
C. 40 D. 45

• 6, 12, 21, x, 48
  --6----9---12---15--
  x = 21+12 = 33
  
  Ans : A) 33
  
• 10 years agoHelpfull: Yes(9) No(0)
• The ans is a.33
  The difference between the terms is a multiple of 3
  i.e.6,9,12,15
  6+6=12
  12+9=21
  21+12=33
  33+15=48
• 10 years agoHelpfull: Yes(1) No(0)
• A. 33
  12-6=6
  21-12=9
  x-21=12(assumed to be) as 6,9,12,15 are forming an AP with d=3
  48-x=15
  x=21+12 or we can say 48-15=33
• 10 years agoHelpfull: Yes(0) No(0)
• A)33
  12-6=6 21-12=9 x-21=12 48-x=15
  x=21+12 = 33 or 48-15=33
  ans- 33
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• Answer is 33
  
  Sequence is increasing by 6 ,9,12,15
• 10 years agoHelpfull: Yes(0) No(0)
• A=33
  6+6=12
  12+9=21
  21+12=33
  33+15=48..
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• ans-a
  the diff btn two num given in the question are the multiples of 3
  btn 6 and 12 diff is 6
  btn 12 and 21 diff is 9
  similarly diff btn 21 and ? may be 12
  and diff btn ? and 48 may be 15 the num which satisfies above conditions is 33
• 10 years agoHelpfull: Yes(0) No(0)
• in this we add 6 9 12 15 18....respectively.
  6+6=12
  12+9=21
  21+12=33
  33+15=48
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• 33, the different bt no. Is increasing in order of 6,9,12,15,
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