| Direction: In the following number series only one number is wrong. Find out the wrong number. |
| 2751 2684 2611 2526 2431 2326 |
A) 2326
B) 2431
C) 2684
D) 2751
E) 2611
Correct Answer: C
Solution :
The series is \[2751-(13\times 5)=2686\], \[\text{2686-(15}\times \text{5)=2611,}\] \[\text{2611-(17 }\!\!\times\!\!\text{ 5)=2526}\], \[\text{2526-(19 }\!\!\times\!\!\text{ 5)=2431}\], \[\text{2431-(21 }\!\!\times\!\!\text{ 5)=2326,}...\] Hence it should be 2686 in place of 2684.
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