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Numerical Ability
Sequence and Series
What is the next number of the following sequence
3,7,13,21,
Read Solution (Total 7)
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- 3+4=7,7+6=13,13+8=21,21+10=31.
- 10 years agoHelpfull: Yes(9) No(1)
- 31 (Ans)
2^2-1=3
3^2-2=7
4^2-3=13
5^2-4=21
6^2-5=31 - 10 years agoHelpfull: Yes(8) No(0)
- 3,7,13,21,31 ans
- 10 years agoHelpfull: Yes(2) No(0)
- 7-3=4
13-7=6
21-13=8
x-21=10
so x=31
ans=31 - 10 years agoHelpfull: Yes(1) No(1)
- 3^2=9-2 = 7
4^2=16-3= 13
5^2=25-4 =21
6^2=36-5 =31 - 10 years agoHelpfull: Yes(1) No(0)
- bhai 21+10 =31 ye kya logic h yar!!!!!!!!! :-/
- 9 years agoHelpfull: Yes(0) No(0)
- 3+4=7;7+6=13;13+8=21;21+10=31
- 9 years agoHelpfull: Yes(0) No(0)
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