Directions: Below are given roll numbers of some candidates registered at different centres for an examination. The first two digits from left stand for the centre code and the next four for the serial number of the candidates registered at the centre. |
153765 | 475641 | 473417 | 354231 |
345487 | 342172 | 243212 | 662387 |
472364 | 152346 | 349895 | 212223 |
346704 | 214687 | 662479 | 473765 |
660124 | 665124 | 476789 | 154318 |
215132 | 471369 | 342567 | 476218 |
Now answer the following questions based on the sample of roll numbers. |
A) 15
B) 34
C) 66
D) 47
Correct Answer: D
Solution :
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