Among a group of six boys, Tarun is taller than Samay but not as tall as Rohit. Aakash is the tallest, Arun is shorter than Rohit but taller than Rehan. Rehan is taller than Tarun. If the boys are arranged in ascending order of their heights, then who holds the third position from the right?

There are $50$ buildings in a row. The green building is $14\mathrm{th}$from the right end. What is its position from the left end?

Five balls $\mathrm{L}1, \mathrm{L}2, \mathrm{L}3, \mathrm{L}4 \mathrm{and} \mathrm{L}5$, are kept one above the other (not necessarily in the same order). $\mathrm{L}1$, is just above $\mathrm{L}5$, and just below $\mathrm{L}4$. $\mathrm{L}2$, is just above $\mathrm{L}3$, and just below $\mathrm{L}5$ . How many balls are above $\mathrm{L}2$?

A pole is taller than a Giraffe which is taller than a Tree. A signal is shorter than a pole, but taller than a building which is taller than a Giraffe. Who is the shortest ? 

1. Signal
2. Giraffe
3. Tree
4. Building

Rohit is ranked ${18}^{\mathrm{th}}$, from the top in his class. When counted from the bottom, he is ranked ${36}^{\mathrm{th}}.$ What is the total number of students in the class$?$

Ravi is $7$ ranks ahead of Sumit in a class of $39$. If Sumit's rank is seventeenth from the last, what is Ravi's rank from the start?