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Maths Puzzle
Numerical Ability
Time and Work
Find the odd man out
1,5,14,30,50,55,91.
a)5
b)50
c)55
d)91
e)1
f)30
g)14
h)none
Read Solution (Total 7)
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- 50 is the odd man.. diff between sucessive no.s is a perfect square
- 14 years agoHelpfull: Yes(4) No(0)
- b.50
diff b/w consecutive nos. are squares - 14 years agoHelpfull: Yes(2) No(0)
- 50
- 14 years agoHelpfull: Yes(1) No(0)
- difference b/w two consecutive no. is perfect square if 50 eliminated from the series.
hence option "b" - 14 years agoHelpfull: Yes(1) No(0)
- h
- 14 years agoHelpfull: Yes(0) No(2)
- diff between successive nummbers is squares
- 10 years agoHelpfull: Yes(0) No(0)
- 1=0^2+1^2
5=0^2+1^2+2^2
14=0^2+1^2+2^2+3^2
30=0^2+1^2+2^2+3^2+4^2
55=0^2+1^2+2^2+3^2+4^2+5^2
91=0^2+1^2+2^2+3^2+4^2+5^2+6^2 - 9 years agoHelpfull: Yes(0) No(0)
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