Question
 In the word ‘INTROVERT’, first all the letters are
written in an alphabetical order form, then remove all the vowels from the arrangement then how many such pair/pairs of letters are there, each of which have as many letters between them in the word (forward direction) as they have between them in the English alphabetical series?Solution
There are four pairs i.e. RT, RT, RV and TV.Â
The word -
I N T R O V E R T
 E I N O R R T T V
 N R R T T V
2Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 4Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 5Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 19Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 70...
342Â Â Â 252Â Â Â 172Â Â Â 102Â Â Â 42Â Â Â ?
12, 18, 28, 42, 52, ?
104   106   110   113   ?   126
6, 17, 21, 47, ?, 107
The question below is based on the given series I. The series I satisfy a certain pattern, follow the same pattern in series II and answer the question...
542Â Â Â Â Â Â 541Â Â Â Â Â Â Â 532Â Â Â Â Â Â Â 507 Â Â Â Â Â Â Â 458Â Â Â Â Â Â Â ?
...7 29 ? 129 211 349
Select the number from among the given options that can replace the question mark (?) in the following series.
2, 6, 12, 20, ?, ?
12, 23, 68, 271, 1354, ?
