19. In a row 'A' is in the 11th position from the left and 'B' is in the 10th position from the right. If 'A' and 'B' interchange, then 'A' becomes 18th from the left. How many persons are there in the row other than 'A' and 'B'?
व्याख्या एवं हल
सही उत्तर: (C) 25
The total number of persons in the row is 11 (from left) + 10 (from right) - 1 (the one position shared by A and B) = 20, leading then to 25 others.
In English (Question & Model Answer)
19. In a row 'A' is in the 11th position from the left and 'B' is in the 10th position from the right. If 'A' and 'B' interchange, then 'A' becomes 18th from the left. How many persons are there in the row other than 'A' and 'B'?
Correct Option: (C) 25
The total number of persons in the row is 11 (from left) + 10 (from right) - 1 (the one position shared by A and B) = 20, leading then to 25 others.