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In each of the following questions , ide...

In each of the following questions , identify the wrong number in the series .
9, 19, 40, 83, 170, 340

A

83

B

40

C

340

D

170

Text Solution

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The correct Answer is:
C
` 9 xx 2 + 1 = 18 + 1 = 19`
`19 xx 2 + 2 = 38 + 2 = 40`
`40 xx 2 + 3 = 80 + 3 = 83`
`83 xx 2 + 4 = 166 + 4 = 170`
`170 xx 2 + 5 = 340 + 5 = 345`
Therefore , the number 340 is wrong in the series .
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