Aptitude Test

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  Aptitude Test REASONING Questions Techniques General Guidelines and Illustrations It is this basic logical sense that is tested in this part of an Aptitude Test. The situation could be one of a multitude of different types, but can be broadly classified as shown below. NON-VERBAL REASONING I.   Pictorial:   Related to which of the 4 figures below? Steps in solution:   Note the changes from Pic.1 to Pic.2 1.   Arrow direction reversed. 2.   One large black dot added at the back end of the arrow (opposite to the sharp point) 3.   Two small black dots on the left side of the arrow move on to its right side (Note: reference is to the direction in which the arrow points) 4.   One extra small black dot appears at the end other than the sharp end of the arrow. These changes in Pic.3 done below, in four steps. The response should thus be C. II. Non-Pictorial Reasoning: (a). Letter Coding Question: The word RHINO is coded as POJIS. With this system operating, what would the coded word ZGJOHJT signify in normal English? Response: (a) HASTILY (b) TASTEFUL (c) SERIOUS (d) SIGNIFY Steps in Solution:    Step 1: Number of letters is the same in the srcinal and in code. (This condition is met in all the responses except (b)).  Against 7 letters in the srcinal word and its coded equivalent, and all the response choices (a) to (d), only (b) have eight letters. Therefore (b) cannot be an answer, and should not be considered in the succeeding steps.    Step 2: Common systems of coding are the next letter in the alphabet to denote that letter, i.e. A in the word is coded as B, E as F; W as X, etc., Similarly, it may be the previous word, i.e. We could use A to code B or F to signify G.  Neither of these systems seems to work for RHINO coded POJIS.    Step 3: In another common system, the srcinal or lead word is written in reverse, i.e. RHINO would be coded as ONIHR. Apparently this is not the key.    Step 4: It would be a combination of coding systems of step2 and step3, viz., RHINO reversed s ONIHR (step 3) Now adopt step 2: R becomes S H becomes I I becomes J SIJOP.  N becomes O O becomes P The interim code is SIJOP. By rule 3, this must be reversed to give POJIS    Step 5: Now repeat these steps in reverse, on the problem coded word ZGJOHJT ----- TJHOJGZ SIGNIFY Answer choice: (d) (b). Letter-sets Consider the three ways of combining the letters of the English alphabet, numbered I, II and III. Each follows certain logic. This is the data. The problem on the basis of one of the logics contained in these. Identify each of the questions 1, 2,3 as relatable to one of I, II or III, making your response as a, b or c; if none of these fit, mark (d). DATA: (I) xyz (II) ywu (III) azf Questions: 1. hfd 2. hsn 3. qrs    Step 1: Examine the sets I, II and III to try to establish the rationale by which each of them is formed. It may be helpful to write down the alphabet letters in sequence in one line, and below them, the numbers 1 to 26, and below these, the letters in reverse, to solve such problems, as shown: a b c d e …………………………..x y z 1 2 3 4 5 …………………………24 25 26 z y x w v…………………………..c b a However, this system of working may not be necessary in the exam, if you get used to doing such exercises which you will in the course of your work, by applying it and thereby become quite adapt. Code I,     Step 1: xyz, is obviously based just on successive letters of the alphabet.    Step 2: Search for this pattern. It can be seen at once that the third question- set, qrs, consisting of the alphabet letters in series, takes after I (which is your response). Code II,    Step1: y w u is in reverse skipping letters alternately.    Step 2: y w u may be seen as u w y in reverse.    Step 3: Add the successive letter between every 2 letters as seen below: So this is the logic. Among the remaining question sets, only h f d, is in the reverse    Step4: Reverse the order    Step 5: Add the missing letters d f g ∴  Question set 1 follows code II Code III a z f: The just a positioning of a, z (the first and last letters of the alphabet) is striking. This is followed by f, the fifth letter from “a”. Question Set 3. h s n Step 1: You can identify „h‟ as the eighth letter from „a‟ and „s‟ as the eighth letter from „z‟ backward. This conforms to code III. But „n‟ is the sixth letter counting forward from „h‟, By code III, it is the fifth letter from „h‟, which should appear in this place. ∴   h should be followed by „m‟ and not „n‟. Question set 3 does not conform to I, II and III, and you have to mark your response to it as (d). (c) Word coding :  (sometimes described as language code) In a certain language: “Na vu ju ku” means “ I don‟t like you”.  
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