type 6 letter number coding & decoding Practice Questions Answers Test with Solutions & More Shortcuts

Directions:

In each of the questions given below, a group of digits followed by four combinations of letter codes labelled (a), (b), (c) and (d) are given. You have to find out which of the combinations is correct coded form of the group of digits as per the following codes and conditions. If none of these four combinations is correct, give your answer as (e). i.e., 'None of these' as the answer.

Digit 9 3 2 8 1 5 7 6 4 0
Letter Code M E B N K R H T D J
Conditions:
  1. If the first digit is an odd number and the last digit is an even number, both are to be coded as 'X'.
  2. If the first digit is an even number and the last digit is an odd number, both are to be coded as 'Y'.
  3. If either the first or the last digit is 0, then 0 is to be coded as 'W'.
[Asstt, Manager Exam, 2005]

Question : 16

640598

a) TDJRMN

b) TDWRMN

c) XDJRMN

d) TDJRMY

e) None of these

Answer: (a)

6 is coded as T, 4 as D, 0 as J, 5 as R, 9 as M, 8 as N.

Question : 17

743506

a) XDERWT

b) HDERWT

c) XDERJX

d) YDERJY

e) None of these

Answer: (c)

Since the first digit is an odd number and the last digit is an even number,

so both 7 and 6 shall be coded as X.

4 is coded as D, 3 as E, 5 as R, 0 as J.

So, the code for 743506 is XDERJX.

Question : 18

328469

a) YBNDTM

b) XBNDTX

c) EBNTDM

d) YBNDTY

e) None of these

Answer: (e)

3 is coded as E, 2 as B, 8 as N, 4 as D, 6 as T, 9 as M.

Question : 19

893561

a) XMERTY

b) NMERTK

c) XMERTX

d) YMERTY

e) None of these

Answer: (d)

Since the given number-group begins with an even number and ends with an odd number,

so both the first and last digits

i.e. 8 and 1 shall be coded as Y.

9 is coded as M, 3 as E, 5 as R, 6 as T.

So, the code for 893561 is YMERTY.

Question : 20

631420

a) TEKBDW

b) TEKDBW

c) TEKDBJ

d) TKDEBW

e) None of these

Answer: (b)

Since the last digit is 0, so 0 shall be coded as W. 6 is coded as T, 3 as E, 1 as K, 4 as D, 2 as B.

So, the code for 631420 is TEKDBW.

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