Coding Decoding Quiz Set 35 | Aptitude and Reasoning Questions on 'Coding Decoding' Set 35 | 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

In a certain code language 'raincoat is for rains' means '%8$7', 'rains are good water' means '941$', 'water the crops now' means '59R@' and 'more crops sufficient food' means 'T@23'. Then '$ 9' is the code for which words?

rains water

for are

the more

sufficient is

Soln.
Ans: a

'rains' is common to items 1 and 2. So 'rains' = '$'. Next we can see that 'water' is common to items 2 and 3. So 'water' = '9'. Hence '$ 9' should be 'rains water' or 'water rains'

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Question 2

If BRASS is coded as 63816, then SIR will be coded as -

631.

318.

617.

836.

Soln.
Ans: c

S = 6 because 6 appears twice in the code for BRASS. So SIR will contain one 6. Now, R is common to BRASS and SIR, so SIR should contain 6 + one and only one out of (1,3,8) + any other number. So 617 is the only correct option out of the given ones.

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Question 3

Directions: Understand the coding pattern and answer the questions.

Column I Column II
(1) FAMOUS (A) jcqhwm
(2) SATIRE (B) hqdbyn
(3) FRIGHT (C) ybcnke
(4) TANGLE (D) zexhnd
(5) ROVING (E) embpyx
(6) HUNTER (F) xdnbwk

What is the code used for the letter N?

Soln.
Ans: d

N is common to HUNTER and TANGLE. Their codes have in common: x, n. Out of x and n, ROVING contains x only, but ROVING itself contains an N, so N= x.

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Question 4

If ACNE is coded as 3,7,29,11, then BOIL will be coded as -

5, 31, 21, 25.

5, 29, 19, 25.

5, 31, 19, 25.

5, 29 19, 27.

Soln.
Ans: c

If n is the position of a letter in the alphabet, then the code is 2n + 1. A has position 1, so its code is 2x1 + 1 = 3, and so on.

B = 2, becomes 2x2 +1 = 5, O = 15 becomes 2x15 + 1 = 31, I is 9 becomes 19, and L is 12 becomes 25.

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Question 5

Directions: In the following question, two columns I and II have been given. In column I few words are given and in column II their codes have been given using a particular rule. The order of the smaller letter have been placed in jumbled up form. You have to decode the language and choose the alternative which is equal to the letter asked in the question.

Column I Column II
(1)DESIGN (A) dklbjz
(2)INFORM (B) cbxkqy
(3)MOTHER (C) ygzaxc
(4)RIGHTS (D) bjdcga
(5)TAILOR (E) wcpybv
(6)GARDEN (F) vzcjlk

What is the code for the letter S?

Soln.
Ans: c

DESIGN contains an S, but out of the four options, its code[dklbjz] contains only d and z. So we can be sure that S = d or z. Next find a code that contains either d or z, but not both. So, code for MOTHER contains z but not d, we can therefore conclude that S is not z. So it must be d.

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