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'?
Explanation & Solution
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.
हिंदी में प्रश्न एवं आदर्श उत्तर
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'?
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.