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'?
- A27
- B26
- C25Correct
- D24
Explanation

Related questions
More UPSC Prelims practice from the same subject and topic.
- Prelims 2014CSATLogical Reasoning
There are seven persons up on a ladder, A, B, C, D, E, F and G (not in that order). A is further up than E but is lower than C. B is in the middle. G is between A and B. E is between B and F. If F is …
- Prelims 2014CSATLogical Reasoning
Consider that: 1. A is taller than B. 2. C is taller than A. 3. D is taller than C. 4. E is the tallest of all. If they are made to sit in the above order of their height, who will occupy the mid posi…
- Prelims 2014CSATLogical Reasoning
Consider the following statements: There are six villages A, B, C, D, E and F. F is 1 km to the west of D. B is 1 km to the east of E. A is 2 km to the north of E. C is 1 km to the east of A. D is 1 k…
- Prelims 2014CSATLogical Reasoning
Four children are sitting in a row. A is occupying the seat next to B but not next to C. If C is not sitting next to D, who is/are occupying seat/seats adjacent to D?
- Prelims 2014CSATLogical Reasoning
Read the passage given below and answer the items that follow. A, B, C, D, E, F are members of a family. They are engineer, stenographer, doctor, draughtsman, lawyer and judge (not in order). A, the e…
- Prelims 2014CSATLogical Reasoning
Read the passage given below and answer the items that follow. A, B, C, D, E, F are members of a family. They are engineer, stenographer, doctor, draughtsman, lawyer and judge (not in order). A, the e…