Rakesh is 6 ranks ahead of Tanvir in a class of 42 students. If Tanvir’s rank is eighteenth from the last, then what is Rakesh’s rank from the start?

The positions of the first and the second digits in the number 85341279 are interchanged. Similarly, the positions of the third and the fourth digits are interchanged and so on till the positions of the seventh and the eighth digits. Which of the following will be the third to the right of 3 after the rearrangement?

Among 5 boys, Vasant is taller than Manohar, but not as tall as Raju. Jayant is taller than Dutta but shorter than Manohar. Who is the tallest in the group? 

X is poorer than w, but not as poor as B. C is not as poor as x. Who is the poorest of all? 

Shailendra is shorter than Keshav but taller than Rakesh. Madhav is the tallest. Ashish is a little shorter than Keshav and little taller than Shailendra. If they stand in the order of increasing heights, who will be the second ? 

A class of boys stands in a single line. One boy is nine tenth in order from both the ends. How many boys are there in the class?