10 CODING AND DECODING

1 >>In a certain code,

TOGETHER is written as RQEGRJCT.

In the same code, PAROLE will be written as ?

• (A) NCPQJG
• (B) NCQPJG
• (C) RCPQJK
• (D) RCTQNC

Solution The letters at odd positions are each moved two steps backward and those at even positions are each moved two steps forward to obtain the corresponding letters of the code.

2 >>If BOMBAY is written as MYMYMY, how will TAMIL NADU be written in that code ? ?

• (A) TIATIATIA
• (B) MNUMNUMNU
• (C) IATIATIAT
• (D) ALDALDALD

Solution The letters at the third and sixth places are repeated thrice to code BOMBAY as MYMYMY. Similarly, the letters at the third, sixth and ninth places are repeated thrice to code TAMIL NADU as MNUMNUMNU.

3 >>If DELHI is coded as 73541 and CALCUTTA as 82589662, how can CALICUT be coded ? ?

• (A) 5279431
• (B) 5978213
• (C) 8251896
• (D) 8543691

Solution Compare the given word with the corresponding number series to obtain the corresponding numbers for the code.

4 >>In a certain code,

RIPPLE is written as 613382 and LIFE is written as 8192.

How is PILLER written in that code ? ?

• (A) 318826
• (B) 318286
• (C) 618826
• (D) 338816

Solution Compare the given word with the corresponding number series to obtain the corresponding numbers for the code.

5 >>If ROSE is coded as 6821,

CHAIR is coded as 73456 and PREACH is coded as 961473,

what will be the code for SEARCH ? ?

• (A) 246173
• (B) 214673
• (C) 214763
• (D) 216473

Solution Compare the given word with the corresponding number series to obtain the corresponding numbers for the code.

6 >>If in a certain code,

TWENTY is written as 863985 and ELEVEN is written as 323039,

how is TWELVE written in that code ? ?

• (A) 863203
• (B) 863584
• (C) 863903
• (D) 863063

Solution Compare the given word with the corresponding number series to obtain the corresponding numbers for the code.

7 >>If the letters in PRABA are coded as 27595, and THILAK are coded as 368451, how can BHARATHI be coded ? ?

• (A) 37536689
• (B) 57686535
• (C) 96575368
• (D) 96855368

Solution Compare the given word with the corresponding number series to obtain the corresponding numbers for the code.

8 >>If GIVE is coded as 5137 and BAT is coded as 924, how is GATE coded ? ?

• (A) 5427
• (B) 5724
• (C) 5247
• (D) 2547

Solution Compare the given word with the corresponding number series to obtain the corresponding numbers for the code.

9 >>If PALE is coded as 2134, EARTH is coded as 41590, how is PEARL coded in that code ? ?

• (A) 29530
• (B) 24153
• (C) 25413
• (D) 25430

Solution Compare the given word with the corresponding number series to obtain the corresponding numbers for the code.

10 >>If in a certain language if ENTRY is coded as 12345 and STEADY is coded as 931785, then state which is the correct code for below word. TENANT ?

• (A) 956169
• (B) 196247
• (C) 352123
• (D) 312723

Solution Compare the given word with the corresponding number series to obtain the corresponding numbers for the code.

11 >>If in a certain language if ENTRY is coded as 12345 and STEADY is coded as 931785, then state which is the correct code for below word. NEATNESS ?

• (A) 25196577
• (B) 21732199
• (C) 21362199
• (D) 21823698

Solution Compare the given word with the corresponding number series to obtain the corresponding numbers for the code.

12 >>In a certain code language, '123' means 'hot filtered coftee' ;

'356' means 'very hot day' and '589' means 'day and night'.

Which digit stands for 'very' ? ?

• (A) 5
• (B) 8
• (C) 2
• (D) 6

Solution In the first and second statements, the common code digit is '3' and the common word is 'hot'.So, '3' means 'hot'.In the second and third statements, the common code digit '5' and the common word is 'day'.So, '5' means 'day'.Thus, in the second statements, '6' means 'very'.

13 >>In a certain code, '256' means 'red colour chalk' ;

'589' means 'green colour flower' and '245' means 'white colour chalk'.

Which digit in that code means 'white' ? ?

• (A) 2
• (B) 4
• (C) 5
• (D) Can`t be determined

Solution In the second and third statements, the common code digit is '5' and the common word is 'colour'.So, '5' means 'colour'.In the first and third statement, '5' means 'colour'. The other common code digit is '2' and the common word is 'chalk'.So, '2' means 'chalk'.Thus, in the third statement, '4' means 'white'.

14 >>In a certain code language, '526' means 'sky is blue' ;

'24' means 'blue colour' and '436' means 'colour is fun'.

Which digit in that language means 'fun' ? ?

• (A) 5
• (B) 4
• (C) 3
• (D) 2

Solution In the first and third statements, the common code digit is '6' and  the common word is 'is'.So, '6' means 'is'.In the second and third statements, the common code digit is '4' and the common word is 'colour'.So, '4' means 'colour'.Thus, in the statement, '3' means 'fun'.

15 >>If FRAGRANCE is written as SBHSBODFG, how can IMPOSING be written ? ?

• (A) NQPTJHOJ
• (B) NQPTJOHI
• (C) NQTPJOHJ
• (D) NQPTJOHJ

Solution Each letter in the word is moved one step forward and the first letter of the group so obtained is put at the end, to obtain the code.

16 >>If in a certain language, GAMBLE is coded as FBLCKF, how is FLOWER coded in that code ? ?

• (A) GKPVFQ
• (B) EMNXDS
• (C) GMPVDS
• (D) HNQYGT

Solution The first , third and fifth letters are each moved one step backward.While the second, fourth and sixth letters are each moved one step forward to obtain the corresponding letters of the code.

17 >>If in a certain language, NATURE is coded as MASUQE, how is FAMINE coded in that code ? ?

• (A) FBMJND
• (B) FZMHND
• (C) GANIOE
• (D) EALIME

Solution The second, fourth and sixth letters of the words remain unchanged.While the first, third and fifth letters are each moved one step backward to obtain the corresponding letters of the code.

18 >>If in a certain code, TEACHER is written as VGCEJGT, how would DULLARD be written in the same code ? ?

• (A) FWMNCTF
• (B) FWNNBTE
• (C) FWNNCSF
• (D) FWNNCTF

Solution Each letter of the word is moved two steps forward to obtain the code.

19 >>If in a certan language FASHION is coded as FOIHSAN, how is PROBLEM codedin that code? ?

• (A) ROBLEMP
• (B) PELBORM
• (C) PRBOELM
• (D) RPBOELM

Solution The first and the last letters of the word remain as such and the remaining letters are written in a reverse order, to obtain the code.

20 >>If JOSEPH is coded as FKOALD, then GEORGE will be coded as ?

• (A) CADMNO
• (B) CAKNIT
• (C) CAKNCA
• (D) JAKINS

Solution Each letter of the word is moved four steps backward to obtain the code.