List of top Aptitude Questions on Coding Decoding

How many meaningful words can be formed using the 3rd, 4th, 6th and 7th alphabet of the word ``PUBLICATIONS''?

Here are some words translated from an artificial language.
tamceno means sky blue
cenorax means blue cheese
aplmitl means star bright
Which word could mean ``bright sky''?

If laptop is called fan, basket is called laptop, lift is called basket, fan is called book and book is called lift. Which of the following is used to go on the upper floor of the building?

How many pairs of letters (both forward and backward direction) are there in the word ``STRENGTHEN'' each of which have as many letters between them in the word as they have between them in the English alphabetical series?

If all the vowels of the word 'TREATMENT' are replaced by its succeeding letter according to the English alphabet and all the consonants are replaced with their previous letter according to the English alphabet and then all the letters are arranged in alphabetical order, then how many letters are there between the third letter from the left and fourth letter from the right in the English alphabetic series?

In a certain code, ``SHRIJEET'' is written as ``QFPGHCCR''. How is ``INTEREST'' written in that code?

When a word and number arrangement machine is given an input line of words and numbers , it arranges them following a particular rule. The following is an illustration of input and the rearrangement..
Input - 3846 9231 7283 4731 8152 3285
STEP I - 3468 1239 2378 1347 1258 2358
STEP II - 1239 1258 1347 2358 2378 3468
STEP III - 23 25 34 35 37 46
STEP IV - 5 7 7 8 10 10
Step IV is the last step of the rearrangement. As per the rules followed in the above steps, find out in each of the following questions the appropriate steps for the given input. Input: 7925 4758 2538 5628 8561 7426 3625 6245 What will the addition of the numbers which is second, forth, sixth and eight from the left end in step IV?

In a certain code language, INSTITUTE is written as EOTUJUVUI. How will MEDICOVER be written in that code language?

In a certain coding system, 'rbm std bro pus' means "the puppy is beautiful", 'tnh pus dim std' means 'the sparrow is red', 'pus dim bro pus cus' means 'the sparrow has the puppy'. What is the code for 'has'?

If INSTITUTE is coded as 9510292325, then the GOVERNMENT is coded as:

Which interchange of signs will make the following equation correct? 10 + 10 ÷ 10 - 10 × 10 = 10

Observe the series given below carefully and answer the question that follows: ABCDEFGHIJKLMNOPQRSTUVWXYZ If the series is written in the reverse order, which will be the eighth letter to the right of O?

If in a particular language ; DIAMOND is coded as VQYMKLV, then how is FEMALE coded in that language ?

Which word could mean 'deadly snake'?

Find the alternative which will replace the question mark.
BFNM : EIQP :: RBGJ : ?

In a certain code, MOUSE is written as GSQNM. How is SHIFT written in the same code?

In a certain code language, BEAT is written as YVZG. What will be the code of MILD?

Which word could mean 'black widow spider'?

If in a special coded language : BOOK is written as 8 ; TABLE is written as 7 ; & BOTTLE is written as 1 ; Then, how would COMPUTER be written in that language ?

Determine the alphabets that shall come in the blank space:
UNR ICF LEI OGL RIO _____

If:
X stands for addition;
+ stands for subtraction;
- stands for division, then,
$20\times8\div8-4+2$ shall be equal to:

Choose the correct code as per the given information for the following: TJITAVRQXU

Choose the correct code as per the given information for the following: XLPVRYTQDC

Choose the correct code as per the given information for the following: AFDQENI

Choose the correct code as per the given information for the following: OLSWYCZIT