How many such pairs of letters are there in the word ‘EVAPORATE’ each of which has as many letters between them in the word as they have between them in the English alphabet?

In a row there are 6 boys between A and B and A is being the first boy in the row. There are 3 boys between B and C. If there are 12 boys after C, then how many maximum boys are there in the row?

Select the set in which the numbers are related in the same way as are the numbers of the following sets. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E. g. 13 – Operations on 13 such as adding / subtracting / multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)

(7, 3, 43)
 (5, 2, 21)

There were 15 persons in a group, they shook hands with each other, then tell how many times the total number of hands were shaken -

KML : NPO :: CED : ? 

Select the correct mirror image of the given figure when the mirror is placed to the right of the figure.

In the following question, one or two statements are given, followed by two conclusions. You have to consider that the statement is true even if it seems to be different from commonly known facts. You have to decide which of the given statements can definitely lead to correct conclusions.

Statement:
Some buses are four-wheelers.
All four wheelers are vans.
Conclusion:
I. Some vans are buses.
II. Some buses are vans.

Study the given information carefully and answer the given questions.
Auditions for a show were held in seven different cities of India- Chennai, Bengaluru, Cochin, Mumbai, Delhi, Bhopal and Kolkata, not necessarily in the same order, during the first seven months of the year 2011 (starting on January and ending in July). The auditions were held only in one city during a month. Auditions in only four cities were held between the Kolkata audition and the Cochin audition. The Kolkata Audition was not held in June. Only one audition was held between the Kolkata audition and the Bengaluru audition The Chennai audition was held immediately after the Kolkata audition. The Delhi audition was held immediately before the Bhopal audition. The Bhopal audition was not held in May.
Four of the following five are alike in a certain way based on the given sequence and hence form a group. Which one does not belong to the group?