ranking time sequential and alphabet test Model Questions & Answers, Practice Test for ibps rrb po prelims

In a row of students facing north A is fifteenth from the left end and B is seventh from the right end. If they interchange their positions, B would be 17thfrom the right end. Find the number of students in the row.

Shikha is 10th from the top in a class with Ruhani being 16th from the bottom. If there are 5 students between Shikha and Ruhani, how many total students are there in the class when no two students share the same rank?

Prakash is 10 ranks above Nikhil who ranks 26th in the class of 45. What is prakash rank in the class from the beginning?

Prerna is 5th from the left end and Charu is 4th from the right of row. Charu interchanges her position with the one who is sitting 3rd to the right of Prerna and now Charu is 10th from the right end. How many children are there in the row?

P is fifteenth from the left end in a row of boys and Q is eighteenth from the right end. If R is tenth from P towards the right end and fourth from Q towards right end. How many boys are there in the row?