120,440,960,1680,?
a.2600
b.3240
c.3040
d.2500
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The difference of these numbers forms a pattern.
440-120=320
960-440=520
1680-960=720
The differences are following a pattern of increment of 200
So the next number in the difference series has to be 720+200 i.e. 920
Let the next number in the series be x
By the problem,
x-1680=920
Or,x=1680+920=2600(Answer)
440-120=320
960-440=520
1680-960=720
The differences are following a pattern of increment of 200
So the next number in the difference series has to be 720+200 i.e. 920
Let the next number in the series be x
By the problem,
x-1680=920
Or,x=1680+920=2600(Answer)
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