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

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? 

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 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?

In a class of 30 students, Ankit ranked eighth from the top. There are eight persons between Ram and Ankit. Then what will be the rank of Ram from bottom?

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?

How many such digits are there in the number ‘018779745234’ each of which is as far away from the beginning of the number as they have when the digits are arranged in descending order within the number?