Coding Decoding Quiz Set 30 | Aptitude and Reasoning Questions on 'Coding Decoding' Set 30 | Exam questions for Clerical, SSC, SBI Bank PO, NDA Exam, PSU Exams, GATE, National Talent Search Exam and STSE

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Question 1

Directions: In column I, some words are given. In column II, their codes are given but they are not arranged in same order in which they are in column I. Study the letters in both the columns and find out the code to the letter given in each of the following questions.

Column I Column II
(1) SOUND (A) ebi
(2) ADDRESS (B) cjmv
(3) CRUX (C) ikmop
(4) NET (D) ijktv
(5) CRONY (E) jkgotv
(6) CROWDY (F) blooppv

What is the code for the letter N?

Soln.
Ans: d

SOUND contains N but its code is either ikmop OR ijktv. So N = i/k/m/o/p/j/k/t/v. The options contain only i out of these. so N = i.

The longer way is:

SOUND and CRONY have O and N as common. From their codes we can see that O/N = k/i. The code for CROWDY is jkgotv which contains k, but not i, so O = k. We are left with N = i.

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Question 2

In a certain code language 'ROAD' is written as 'URDG' How is SWAN written in that code?

VZCQ.

UXDQ.

VZCP.

VZDQ.

Soln.
Ans: d

Each letters has been coded as the letter two steps ahead in the alphabetical order.

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Question 3

In a certain code language 'close the door' means 'bew noq yai', 'door is locked' means 'but yai zoi' and 'lock is strong' means 'zoi day jiz'. Then what is the code for 'door'?

yai

noq

jiz

day

Soln.
Ans: a

'door' is common to items 1 and 2. From their codes we can see that 'yai' is common, and therefore the required answer.

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Question 4

If RATION is coded in a certain language as RTANIO, how will TRIBAL be coded?

TRIALB.

TIRALB.

TIRLBA.

TIRABL.

Soln.
Ans: c

Second and third letters of the word RATIONAL are reversed and the sixth letter comes to fourth place in the coded word. T-R-I-B-A-L becomes T-I-R---, then it becomes T-I-R-L-B-A.

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Question 5

In a certain code language 'what is the news' means '891 732 496 836', 'news from india abroad' means '943 647 496 195', 'many people go abroad' means '815 498 632 647' and 'people are very educated' means '579 831 632 129'. Then what is the code for 'abroad news people'?

647 496 632

943 129 815

195 831 498

579 891 732

Soln.
Ans: a

'647' is common to items 2 and 3. So '647' = 'abroad'. Next we can see that '496' is common to items 1 and 2. So '496' = 'news'. Again we can see that '632' is common to items 3 and 4. So '632' = 'people'. Hence 'abroad news people' should be from '647 496 632'

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