45 persons are sitting in a row. Find the number of persons sitting between 11th person from the left and 24th person from the right.

[A] 12

[B] 23

[C] 13

[D] 24

Answer & Explanation
Option: [C]

There are 10 people before the 11th person.

So, first 10 person + 11 th person + 12 + 24th person + 21 = 45 persons

So, 13 persons are sitting between 11th person and 24th person