Coding - Decoding Tips and Tricks MCQ Set 1
Showing question 1 to 5 of total 50 MCQs
MCQ Set: 1
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Question No: 1
If SNOW is coded as 7100, then WALL will be coded as
- 5000
- 4700
- 4800
- 4000
Answer and Explanation
Answer: C
Explanation
Here, Total of all the individual letters’ numeric position is done and just to add some more complexity 00 is appended at the end. S=19, N=14, O=15 and W=23. So 19+14+15+23= 7100.
Question No: 2
If MOUSE is coded as ONUFT, then CLOCK will be coded as
- MDOLD
- MDPLD
- NDOLD
- MDOLE
Answer and Explanation
Answer: A
Explanation
Grouping. So here grouping of letters is done. First 2 letters- M and O are grouped and last 2 letters S and E are grouped. After grouping, +1 is added and the position of the letters is interchanged. Like in MO group, +1 is added so the result will be NP and then the letters are interchanged and so the result for 1st group will be PN. Same for the second group and the middle odd letter is as it is.
Question No: 3
In a certain language, CAP is coded as 66, how will PEN be coded
- 40
- 66
- 80
- 46
Answer and Explanation
Answer: D
Explanation
This is an interesting question and you will often get confused. Because even if you try to add the numeric value you won’t get the answer. But here reverse numeric value concept is used. So, in this question, the reverse numeric values are considered and added. C=24, A=26, P=11. 24+26+11=61 and the same logic for PEN. P=11, E=22 and N=13. Answer=46
Question No: 4
If KEYS= MDAR, then LOCK= ?
- NEJJ
- NNEJ
- JENN
- JENJ
Answer and Explanation
Answer: B
Explanation
+2 Increment and -decrement in the next letter. So, K=M, E=D, Y=A and S=R.
Question No: 5
In a certain language, TEARS is coded as 18, so how will be WATER coded
- 25
- 22
- 18
- 20
Answer and Explanation
Answer: B
Explanation
Numeric position of each letter is first added until it reaches to a single digit number and then all the numeric values are added.
T=20 so 2+0=2,
E=5
A=1
R=18, 1+8=9
S=19, 1+9=10, 1+0=1;
2+5+1+9+1=18