Find the word which has same relation: 
Country : President :: State : ?

Find the word which has same relation: 
Fog : Visibility :: AIDS : ?

In a row of boys, Karthick is seventh from the left and Suganya is twelfth from the right. If they interchange their positions, Karthick becomes twenty second from the left. How many boys are there in the row?

Some boys are sitting in a row. P is sitting fourteenth from the left and Q is seventh from the right. If there are four boys between P and Q, how many boys are there in the row?

Siva ranks sixteenth from the top and forty ninth from the bottom in a class. How many students are there in the class?

In a row of ten boys, when Mohit was shifted by two places towards the left, he became seventh from the left end. What was his earlier position from the right end of the row?

Samiksha ranked sixteenth from the top and twenty ninth from the bottom among those who passed an examination. Six boys did not participate in the competition and five failed in it. How many boys were there in the class?

In a row of boys, Kapil is eighth from the right and Nikunj is twelfth from the left. When Kapil and Nikunj interchange positions, Nikunj becomes twenty first from the left. Which of the following will be Kapil’s position from the right?

In a row of trees, one tree is fifth from either end of the row. How many trees are there in the row?

In a certain code, TWINKLE is written as SVHOJKD, then how would FILTERS be written in the same code?