|A) 11||B) 19|
|C) 13||D) 17|
Here total number of boys in the row = 11 + 19 = 13 + 17 = 30
Here after exchanging the places of Haran & Manoj
=> Manoj replaces Harans place of 11th from left
But in the question he asked Manoj's place from right = 30 - 11 = 19th place.