Practice Questions for Coding & Decoding | Logical Reasoning (LR) and Data Interpretation (DI) - CAT PDF Download

Q1: If in a certain language, PAPER is written as OZODQ. Which word would be written as RZKD?
(a) SEAL
(b) SALE
(c) SELL
(d) SKIP
Ans: (b)

Q2: If in a certain language, TRIANGLE is written as SSHBMHKF. In the same language, COUNTRY is written as:
(a) BPVOSSX
(b) DNVMUQZ
(c) BPTOSSX
(d) DNVNVQ
Ans: (c)

Q3: In a certain code language, ANGLE is coded as IJKMN and STRIKE is coded as OPQRSN. How can TRIANGLE be coded in the same language?
(a) PQRQJJMN
(b) PQMNROJJ
(c) POMNROJJ
(d) PQRIJKMN
Ans: (d) 

Q4: If in a certain code language, TEACHER is coded as klmnolp. How can EARTH be coded in the same language?
(a) lmpok
(b) lmpko
(c) lmkop
(d) lmokp
Ans: (b)

Q5: If BITER is coded as KLMNO in a certain language. How can TRIBE be coded in the same language
(a) MOLNK
(b) MOLKN
(c) MOKLN
(d) MOKNL
Ans: (b)

Q6: If F = 6, CAT = 24, then WORD =?
(a) 59
(b) 60
(c) 61
(d) 62
Ans: (b)

Q7: If EDUCATION is coded as 2F5D1V34P, then how can EQUAL be coded?
(a) 2R15M
(b) 2RM15
(c) 2R51M
(d) 2R5M1
Ans: (c)

Q8: In a certain code language, ‘pen pencil’ is written as '$%' and 'eraser sharpener' is written as '@#' and ‘pencil eraser’ is written as ‘$@’. Then, what is the code for ‘pen’?
(a) #
(b) $
(c) @
(d) %
Ans: (d)

Q9: In a certain code, ‘commit also make policy’ is written as ‘� !y6 #t6 @o4’; ‘policy craze anger mobile’ is written as ‘!y6 @r5 � #e5’; ‘allow mild course prize’ is written as ‘!e5 � #e6 @w5’, and ‘craze manner pump artist’ is written as ‘%r6 #e5 !p4 @t6’. Then, what does ‘#e6 #e5 @04’ stand for?
(a) artist mild craze
(b) also make course
(c) craze also course
(d) commit course mobile
Ans: (c)

Q10: If ‘+’ stands for ‘-‘ , ‘-‘ stands for ‘x’, ’x’ stands for ‘÷’and ‘÷’stands for ‘+’ .Then, what is the value of 56x7÷13-11+15-8÷2-7?
(a) 30
(b) 60
(c) 95
(d) 45
Ans: (d)

Q11: If U + V means U is the brother of V, W – X means W is the father of S, X  Y means X is the sister of Y, Y  Z means Z is the mother of Y. Which of the following means that N is the mother of O?
(a) L + MN O
(b) L – M O P
(c) M + L O  N
(d) N M  L  O
Ans: (c)

Q12: If ‘A’ denotes “divided by”, ‘B’ denotes “added to”, ‘X’ denotes “subtracted from”, ‘R’ denotes “multiplied by”, then 18 R 12 A 4 X 8 B 6 =?
(a) 52
(b) 102
(c) 45
(d) 32
Ans: (a)

Direction (13 - 15): Read the following information carefully and answer these questions:
In a certain coding system,

• ‘816321’ means ‘the big lion scared the rat’;
• ‘64851’ means ‘the scared rat ran away’;
• ‘7621’ means ‘the rat was big’;
• ‘341’ means ‘the lion ran’

Q13: What is the code for ‘the lion was scared’?
(a) 8763
(b) 8731
(c) 8453
(d) 8463
Ans: (b)

Q14: What is the code for ‘big’?
(a) 1
(b) 3
(c) 4
(d) 2
Ans: (d)

Q15: What is the code for ‘rat’?
(a) 5
(b) 6
(c) 4
(d) 3
Ans: (b)

Directions (16 – 19): Study the following information to answer the given questions:
Study the following information to answer the given questions:
In a certain code language ‘ hard  of perusing  MBBS’ is written as ‘cl sa nk jo’, ‘Nepal  diminishes  in education’ is written as ‘ha fa rs da’, ‘MBBS education   of Nepal’ is written as ‘sa rs cl da’ and ‘hard MBBS  in Nepal’ is written as ‘cl fa jo da’.
Q16: What is the code for ‘MBBS education’ in the given code language?
(a) cl fa 
(b) cl rs
(c) da fa 
(d) rs da 
Ans: (b)

Q17: What does the code ‘jo’ stand for in the given code language?
(a) hard
(b) in 
(c) Nepal
(d) education
Ans: (a)

Q18: What is the code for ‘Nepal’ in the given code language?
(a) rs 
(b) da 
(c) fa 
(d) Can’t be determined 
Ans: (b)

Q19: ‘nk fa da’ is the code for which of the following?
(a) Education of Nepal
(b) Diminished in Nepal
(c) Perusing in Nepal
(d) Can’t be determined
Ans: (c)

Q20: If + means ÷, × means -, ÷ means × and - means+, than 16 + 12 × 8 ÷ 6 - 8 =?
(a) -12
(b) -20/3
(c) 20/3
(d) -116/3
Ans: (d)