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 Coding and Decoding Questions

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Q:

In a certain code language, 'dom put ta' means 'bring hot food';

'put tir sop' means 'food is good'  and

'tak da sop' means 'good bright boy'.

Which of the following does mean 'hot' in that language ?

A) dom B) pul
C) ta D) Can't be determined
 
Answer & Explanation Answer: D) Can't be determined

Explanation:

Justification:      

 

We can find the code for 'food' form the first and second statements.
Now, to find the code for 'hot',
we need to the code for 'bring' which cannot be determined from the given information.

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Q:

Acording to a military code, SYSTEM is SYSMET and NEARER is AENRER. What is the code for FRACTION ?

A) CARFTINO B) CARFTION
C) ARFCNOIT D) CARFNOIT
 
Answer & Explanation Answer: D) CARFNOIT

Explanation:

The letter is the first half and the letter half of the word are separately reversed to obtain the code.

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Q:

If MADRAS can be written as NBESBT, how can BOMBAY be written in that code ?

A) CPNCBX B) CPNCBZ
C) CPOCBZ D) CQOCBZ
 
Answer & Explanation Answer: B) CPNCBZ

Explanation:

Each letter in the word is moved one step forward to obtain the corresponding letter of the code.

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Q:

In a certain coding language, iF GO = 32 & SHE = 49 then SOME will be equal to ?

A) 56 B) 58
C) 62 D) 64
 
Answer & Explanation Answer: A) 56

Explanation:

If we count letters till the end of the alphabet including that letter in reverse order then
Here the values are nothing but the values corresponding to the alphabets when taken in a reverse order,i.e,A=26 ,B=25...,Z=1
G = 20 and O = 12 totaling 32
S = 8, H = 19 and E = 22 totaling 49

So
SOME = 8 + 12 + 14 + 22 = 56.

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Q:

If train is called bus, bus is called tractor, tractor is called car, car is called scooter, scooter is called bicycle, bicycle is called moped, which is used to plough a field ?

A) Train B) Bus
C) Tractor D) Car
 
Answer & Explanation Answer: D) Car

Explanation:

A 'tractor' is used to plough a field.

But a 'tractor' is called 'car'.
So, a 'car' will be used to plough the field.

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Q:

If green means red, red means yellow, yellow means blue, blue means orange and orange means green, what is the colour of clean sky ?

A) Blue B) Green
C) Yellow D) Orange
 
Answer & Explanation Answer: C) Yellow

Explanation:

The colour of clean sky is 'blue' and as givne, 'yellow' means 'blue'.

so, the colour of clear sky is 'yellow'.

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Q:

If E = 5 and READ is coded as 7, then what is the code of 'DEAR' ?

A) 6 B) 7
C) 8 D) 9
 
Answer & Explanation Answer: B) 7

Explanation:

Here E = 5 = 5/1 = 5

=> READ = 18 + 5 + 1 + 4 = 28/4 = 7

=> DEAR = 4 + 5 + 1 + 18 = 28/4 = 7

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Q:

If 'L' stands for '+' , 'M' stands for '-' , N stands for 'x' , P stands for '÷' then

14 N 10 L 42 P 2 M 8 = ?

A) 153 B) 216
C) 248 D) 251
 
Answer & Explanation Answer: A) 153

Explanation:
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