Coding Decoding Questions For competitive Exam

Q-11. In a certain code, ‘CHINA’ is coded as 38951, how will ‘HONGKONG’ be coded?
(A) 86573657
(B) 86573857
(C) 86573659
(D) 86572657

View Answer and Solution 
 
Answer:  (D) 86572657  
Explanation:  
C  -  3
H  -  8
 I  -  9
N  -  14--1+4= 5
A  -  1
O  -  15--1+5=6
N  -  14--1+4=5
G  -  7
K  -  11--1+1=2
O  -  15--1+5=6
N  -  14--1+4=5
G  -  7

Q-12. In a certain code, ‘POND’ is coded as 18192012. How will ‘STARS’ be coded?
(A) 21247243
(B) 21247263
(C) 11247243
(D) 21246263

View Answer and Solution 
 
Answer:  (B) 21247263 
Explanation:  

Q-13. if ‘eye’ is called ‘hand’, ‘Hand’ is called ‘mouth’, ‘mouth’ is called ‘ear’, ‘ear’ is called ‘nose’, and ‘nose’ is called ‘tongue‘. With which of the following would a person hear?
(A) eye
(B) mouth
(C) nose
(D) ear

View Answer and Solution 

 Answer:  (C) nose 
Explanation: Here answer should have been ear which is coded with nose. 

Q-14. In a certain code language, ‘786’ means ‘study very hard’, ‘958’ Means ‘hard work pays’ and 645 means ‘study and work’. Which of the following is the code of ‘very’?
(A) 8
(B) 6
(C) 7
(D) 9

View Answer and Solution 
 
Answer:  (C) 7 
Explanation:  In the first and second statements, the common code digit is "8" and the common word is "hard". So, '8' means 'hard'. in the first and third statements, the common code digit is '6' and the common word is 'study'. so, '6' means 'study'