Vijeta Competitions Editorial Board Solutions for Chapter: Alphabet Test, Exercise 4: EXERCISE

How many pairs of letters are there in the word 'HORIZON' Which have as many alphabets between them as in English alphabet sequence? 

In a certain code EXPLAINING is written as PXEALNIGNI. How is 'PRODUCED' written in that code?

Complete the blank places

a_c_b a_c a_c b

Rahul ranks seventeenth in a class of thirty one. What is his rank from the last?

Rahim ranked $13$th from the top and twenty-sixth from the bottom among those who have passed the examination in a class. If six students have failed in the annual examination. What was the total number of students in that class?

How many $9$'s are there in the following sequence which is preceded by $6$ but not immediately followed by $3$?

$6 9 3 7 6 9 6 3 9 6 4 6 9 4 7 6 6 6 9 3 6 7 6 9 2 9 6$

How many $6$'s are there in the following series of numbers that are preceded by $7$ but not immediately followed by $9$? 

$6 7 9 5 6 9 7 6 8 7 6 7 8 6 9 4 6 7 7 6 9 5 7 6 3 8$

$A$ is fifteenth from left and $B$ is $7^{th}$ from right in a row.There are three persons between them and '$C$' is to the left of $A$. What will be '$C$' position from the right?