Treena reached the office before Dev but after Loki. Veer reached the office before Treena but after Kiran reached the office. Loki reached the office just after Veer reached the office. Who reached the office last? ​​

Trishant ranked 34th from the top and 25th from the bottom in his class. How many students are there in his class?

Suraj ranked 17th from the bottom and 13th from the top in his class. How many students are there in his class?

Six vendors A, B, C, D, E and F sell the same items in the market. Only three vendors sold less items than F. A sold more items than C. E did not sell the most items. D sold more items than C and A, but less than F. If B sold 20 items, then what can be the number of items sold by E?

Among five people of different ages, P is older than R. L is younger than M. R is older than Y. M is younger than Y. Who is the youngest?

A, B, C,  D and E have different ages. C is older than B but younger than D. Only one person is younger than A. B is not the youngest. Who amongst them is the second oldest?

In a row of 81 students facing north, Sima is 12th from the right end. If Manju is 9th to the left of Sima, what is Manju’s position from the left end of the line?