In a row of 50 books, Book A is 15th from left and Book B is 20th from right.…
2025
In a row of 50 books, Book A is 15th from left and Book B is 20th from right. How many books lie between them?
- A.
17
- B.
15
- C.
12
- D.
10
Attempted by 2 students.
Show answer & explanation
Correct answer: B
1. Total = 50. A (15th from left), B (20th from right).
2. Rank of B from left = 50 - 20 + 1 = 31st.
3. Between = (31 - 15) - 1 = 15.