RRB NTPC Mains or Stage 2 Model Paper 7 with solutions

Question : 54 of 120

Marks: +1, -0

If the positions of the first and the sixth digits of the group of digits 5904627813 are interchanged, similarly, the positions of the second and the seventh are interchanged, and so on, which of the following will be the fourth from the right end after the rearrangement?

Validate

Solution:

(b) In the original group of digits ‘7’ is the right, which is interchanged with‘9’. The new series is 2781359046. 9 will be

4^{th}

from the night end.

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