Hello and welcome to exampundit. Here is a set of New Coding Decoding Problems in Reasoning.

1. In a certain code, the following statements are coded as follows:

Doll earth bowled catch=5d8    3e12     4f8     1c4
Cow apple deer eagle=5d23  3e18  2b5  4f5
Ant dog bat ear=3e7  4f18  1c20  2b20

Now answer the questions as follows:
What can most probably be the code for the word "Aeroplane"?
1) 2b5
2) 2b9
3) 2c12
4) 4f8
5) cannot be determined



2. In a certain code, the following statements are coded as follows:

Doll earth bowled catch= 5d8    3e12     4f8     1c4
Cow apple deer eagle=5d23  3e18  2b5  4f5
Ant dog bat ear=3e7  4f18  1c20  2b20

Now answer the questions as follows:

What is the definite code for "cow over monk" ?
1) 5d23  3e12  1c23
2) 5d2  3d26  1a1
3) 5d21  3e12  1c23
4) 1c23 5d2 5t9
5) cannot be determined



3. In a certain code, the following statements are coded as follows:

Doll earth bowled catch= 5d8    3e12     4f8     1c4
Cow apple deer eagle=5d23  3e18  2b5  4f5
Ant dog bat ear=3e7  4f18  1c20  2b20

Now answer the questions as follows:
What is the code for "door close" ?
1) 3e18  5d5
2) 9r12  5d5
3) 5d5 6t12
4) 3e17 5d5
5) none 



4. In a certain code, the following statements are coded as follows:

Doll earth bowled catch= 5d8    3e12     4f8     1c4
Cow apple deer eagle=5d23  3e18  2b5  4f5
Ant dog bat ear=3e7  4f18  1c20  2b20

Now answer the questions as follows:

"4f20" can be the coding for?
1) eat
2) eager
3) excel
4) emu
5) eat and emu




5. In a certain code, the following statements are coded as follows:

Doll earth bowled catch= 5d8    3e12     4f8     1c4
Cow apple deer eagle=5d23  3e18  2b5  4f5
Ant dog bat ear=3e7  4f18  1c20  2b20

Now answer the questions as follows:

Choose the odd one out
a. Desk=4p21
b. dark=3e12
c. branch=1c8
d. catch=5d14
e. Burrow=2c22

1) d
2) a ,e
3) e
4) b
5) c



Answers & Solutions - Tap to show

  1. 1
  2. 5
  3. 1
  4. 1
  5. 5


1. By elimiation, a=2
b=1
c=5
d=3
e=4
Every code has 2 parts-
1.The first number and a letter following it is the code assigned to the first letter of the word followed by the letter next to the first letter of the word in english alphabet series
2. The second part is the numerical place of the last letter of the word according to english alphabet
For ex- Eagle- first letter =e (code 4), letter next to e in alphabet series=f
and last letter of eagle=e which has place value 5 in alphabet seies
hence the code = 4f5
 aeroplane=2b5



2. the initial codes for O and M are not known definitely


4. 4f=e     20=t  so any word stating with e and ending with t


5. only c has the correct coding paired with it 





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