Madhu is 18th from the left end Sandhu is 11th from right end of row of 40 children. How many children are there between Madhu and Sandhu in the row? |
10 9 12 11 |
11 |
T = L +R - 1 40 = 18 + R - 1 R = 23 (Madhu's position from right) P1 - P2 - 1 23 - 11 - 1 = 11 |