Answers

2016-01-10T07:18:28+05:30
-4+[-1]+2+.......+x = 437
-Let the other number be 2x
-3+2x+x = 437
-3+3x = 437
3x = 437+3
3x = 440
x = 440÷3
x = 146.66
2x = 293.32
Verification :-
-4+[-1]+2+293.32+146.66 = 437

hope this helps u....
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2016-01-10T15:09:30+05:30
Let the missing no be 3x
now
(-4)+(-1)+2+........+x=437
(-4)+(-1)+2+3x+x=437
-3+4x=437
4x=440
x=110

verification
(-4)+(-1)+2+3*110+110
=-5+442
=437=RHS
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