If the position of the first and the sixth digits of the sequence of numbers 8 9 0 3 2 1 4 6 7 5 are interchanged, the second and the seventh and so on. which number would be seventh from the right end ?
Answer: C. 7
The new sequence becomes 1 4 6 7 5 8 9 0 3 2. From the right end, the seventh number is 7.