Coding Decoding Quiz Set 27

Question 1

If in certain code MICHAEL is coded as JGBHBGO, in this code AMERICA will be written as -

A

XKDRJED.

B

XKDRKED.

C

XKERJED.

D

XKDRJEC.

Soln.
Ans: a

Letters of the word are coded using the order -3, -2, -1, 0, +1, +2, +3 as to the positions of each of the lettters M, I, C, H, A, E and I, respectively in the alphabetical order and so on.

Question 2

In a certain code language 'ab bc de df' means '4956', 'de dk dr dx' means '9@12', 'dk ed et en' means '\$1TR' and 'en un hi pa' means '\$38Z'. Then what is the code for 'dk de en'?

A

1 9 \$

B

R 4 T

C

5 2 6

D

3 8 Z

Soln.
Ans: a

'1' is common to items 2 and 3. So '1' = 'dk'. Next we can see that '9' is common to items 1 and 2. So '9' = 'de'. Again we can see that '\$' is common to items 3 and 4. So '\$' = 'en'. Hence 'dk de en' should be from '1 9 \$'

Question 3

In a certain code language 'chocolate is sweet' means 'yej zof suo' and 'sweet causes cavity' means 'zof goh kip'. Then what is the code for 'sweet'?

A

zof

B

suo

C

yej

D

goh

Soln.
Ans: a

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

Question 4

Directions: In the following question some capital alphabets are written in a row, below them their coding have been given.

```A B C D E F G
u a 2 v b 9 3

H I J K L M N
t 4 x s y 5 z

O P Q R S T
c 6 d 8 7 e

U V W X Y Z
r h w i p q
```

If DEER is v98 and TOSS is to ece, then DOTT is.

A

b6e.

B

b6r.

C

vrc.

D

vcr.

Soln.
Ans: d

In the both words DEER and TOSS, codes for each of the letters have been used from just below the letter in the table except for the letter that has been written twice, i.e. E and S. For these letters, codes have been used just one position ahead in the table that too only once. Therefore, codes for DOTT is vcr.

Question 5

In a certain code language 'white for peace' means 'dad woe uol' and 'going for walk' means 'dad uup ser'. Then what is the code for 'for'?

A

B

ser

C

uup

D

uol

Soln.
Ans: a

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