Elitmus
Exam
Logical Reasoning
Number Series
Q. What is the missing number of the following sequence
3 8 6 14 ? 20
Read Solution (Total 32)
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- ans 9
8=3*2+2
14=6*2+2
so 20=9*2+2 - 11 years agoHelpfull: Yes(79) No(3)
- here two series first 3,6,9
second 8,14,20
in the first the difference is 3
and in the second the difference is 6 - 11 years agoHelpfull: Yes(11) No(0)
- 9 will be the answer since there are two series in it (3,6,?)
and (6,14,20) - 11 years agoHelpfull: Yes(8) No(0)
- ans 9
3*2+2
6*2+2
so,9*2+2 - 11 years agoHelpfull: Yes(1) No(0)
- series are 8 14 20 and 3 6 ?
therefore the ans is 9 - 11 years agoHelpfull: Yes(1) No(0)
- 1*3=3
3*2+2=8
6=1*6(consider multiple of 3 as 3*2=6)
6*2+2=14
3*3=9(considering multiple of 3 as 3*3=9)
9*2+2=20
this is the pattern - 10 years agoHelpfull: Yes(1) No(0)
- 9 will b d ans..there r 2 series..
(3,6,- ,multiplication of 3) & (8,14,20.., add 6 for d next term) - 10 years agoHelpfull: Yes(1) No(0)
- there are 2 series... 3, 6, ? and 8,14,20
there is a difference of 3 in 1st group and difference of 6 in 2nd group.
So, accordingly 6+3 = 9
ans. 9 - 11 years agoHelpfull: Yes(0) No(0)
- answer=9
since first series=3,6,9 and second 8,14,20 - 11 years agoHelpfull: Yes(0) No(1)
- 9 , as there is common difference of 3 in the odd places and common difference of 6 in even places
- 11 years agoHelpfull: Yes(0) No(0)
- There are two series:
i) 3 , 6 , ?
ii)8 , 14 , 20 its an AP with c.d.=6
now it means that (i) is also an AP with c.d. = 3.
Hence answer = 9 - 11 years agoHelpfull: Yes(0) No(0)
- CHECK IT OUT EVEN PLACES WHERE
14-8=20-14=6
SIMILARLY
AT ODD PLACES
6-3=3
HENCE; X-6=3
THIS GIVES; X=9.
- 11 years agoHelpfull: Yes(0) No(0)
- what about this?
3*2+2=8
3*3-3=6
3*4+2=14
3*5-3=12
3*6+2=20 - 11 years agoHelpfull: Yes(0) No(2)
- 9
because in every odd step is incremented by +3
and in even step incremented by +6 - 10 years agoHelpfull: Yes(0) No(0)
- 3*2=6 and 6 is 2 less than 8.
6*2=12 and 12 is 2 less than 14. - 10 years agoHelpfull: Yes(0) No(0)
- ans 9,
3*2=6,
3*3=9
8+6=14
14+6=20
- 10 years agoHelpfull: Yes(0) No(0)
- ans is 9 bcz there are two series...first on 3,6,? and second is 8,14,20.so in second series the difference in every number 6 and first series in difference is 3.
so in the first series,the number is 9 - 10 years agoHelpfull: Yes(0) No(0)
- this is two series
3 6 9
8 14 20
answer is .. 9 - 10 years agoHelpfull: Yes(0) No(0)
- 9
answer
- 10 years agoHelpfull: Yes(0) No(0)
- 3+3=6 8+6=14 14+6=20
finally 6+3=9
its one answer and other is 3*2=6
6*2=12
it may be depends on options u can select answer
- 10 years agoHelpfull: Yes(0) No(0)
- we can see the series...
3,6,9,12......and
8,14,20,24.....etc
so 9 is the correct Ans
- 9 years agoHelpfull: Yes(0) No(0)
- 9 will be the missin no. as 3,6,9 in ap.8,14,20 are also in ap.
- 9 years agoHelpfull: Yes(0) No(0)
- because here two sereis is working so,
3,6,9 ....
and another is 8,14,20......
so ans is 9 - 9 years agoHelpfull: Yes(0) No(0)
- 6-3=3
9-3=3
and 8+6=14
14+6=20
- 9 years agoHelpfull: Yes(0) No(0)
- 9 is the right ans
- 9 years agoHelpfull: Yes(0) No(0)
- 9,by multi by 3*3
- 9 years agoHelpfull: Yes(0) No(1)
- 9
bcoz
8+6=14
8+6=20
3+3=6
6+3=9 - 8 years agoHelpfull: Yes(0) No(0)
- 3+5=8
8-2=6
6+8=14
14-5=9
9+11=20 - 8 years agoHelpfull: Yes(0) No(0)
- 3,6,9 this is first series
8,14,20 this is another series so ans will be 9 - 7 years agoHelpfull: Yes(0) No(0)
- 3 8 6 14 ? 20
=first place 3 _ 6 _ ? _
=Second place 8 _ 14 _ 20 _
see at second place 8x2-2 = 14 than 8x3-4 = 20 this is the second place order
according to first place order it simply 3x2 = 6 and 3x3 = 9 than 3x4 = 12
so answer is 9 - 7 years agoHelpfull: Yes(0) No(0)
- 9 as it is a mixed series 3 6 9 and 8 14 20
- 7 years agoHelpfull: Yes(0) No(0)
- answer is 12
- 7 years agoHelpfull: Yes(0) No(0)
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