7. If the letter of English alphabet are written are reverse order, then find the 10th letter to the left of 10th letter from right?
8. If the English alphabet is written in reverse order, then which letter is 7th to the left of 11th letter from right?
9. If English alphabet is written in backward order, then find the 7th letter to the left of 11th letter from left?
10. If the last four letters of the word 'CONCENTRATION' are written in reverse order and next three in the reverse order. Counting from the end, which letter would be eighth in the new arrangement?