In a row position of M is 328 from the left corner and the position of B is 321 from the right corner after some time when they interchange their position respectively then position of M became 365 from the left corner then find out what is the position of B from the left corner after interchanging?

If Ram runs less fast than Shyam and Shyam runs as fast as Lal but less fast than Tom. Who runs fastest? 

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?

Direction : Six laptops O, R, Q, M, S and B are placed in a row facing towards the north (Not necessarily in the same order). O is placed to the immediate left of B. S is placed second to the left of R. Q is placed second to the right of B. Q is placed to the immediate right of S. M is placed to the left of O.

Which laptop is placed to the immediate right of M.?

Hritik is 7th ranks ahead of Aamir Khan in a class of 39. If Aamir Khan’s rank is 17th from the last, what is Hritik’s rank from the start?

During assembly the students are standing in a line. Salman Khan is 21st in order from both the ends. How many boys are there in the class?

In a north facing row of NCC Cadets, Trisha is 9th from the left end and Tina is 12th from the right end. There are 5 cadets between Trisha and Tanya who is equidstant to Tina. Find how many cadets are there in the row?

There is a group of five persons, namely of  A, B, C, D & E
i) ‘A’ is shorter than "B". But taller than E
ii) 'C' is the Tallest
iii ) 'D' is shorter than B, but taller than 'A'.
Reply the following questions on the basis of above information.
If all five persons stand according to height, then who will be in mid of them?