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?

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.  
who is at second position in height. 

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.
Who is the shortest among these? 

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? 

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? 

Read the following information carefully and answer the questions given below it:

i. Govind is shorter than Ashish but taller than Kamal.

ii. Naren is shorter than Kamal.

iii. Jeyanth is taller than Naren.

iv. Ashish is taller than Jeyanth.

Who among them is the shortest?

In a row where all are facing north, Priya is 15th from the left end and Garima is 19th from the right end. They interchange their positions, and Ram who sits 24th from the left end sits at the 5th place to the left of Priya's new position. How many persons were there in the row?

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.?