In a row of letters, a letter is 4th from left end and 13th from the right end. How many letters are there in the row?

A class of students stands in a single line. Vanshika is fifteenth in order from both the ends. How many students are there in the class?

In a row of 25 girls, when Monika was shifted by four places towards the right, she became 14th from the left end. What was her earlier position from the right end of the row?

Vijay is 13th from the right end in a row of 45 boys. What is his position from the left end ?

In a row of boys, if Amit who is tenth from the right and Bittu who is ninth from the left, interchange their positions, Amit becomes fifteenth from the right. How many boys are there in the row?

In a row of 25 boys, when Anurag was shifted by nine places towards the left, he became 17th from the right end. What was his earlier position from the left end of the row?

If the numbers from 1 to 49 which are exactly divisible by 3 are arranged in ascending order, the minimum number being on top, which would come in eighth place from the bottom?