Sawaal
339
Q:

(A)  '134' means 'you are well';

(B)  '758' means 'they go home';

(C)  '839' means 'we are home';

Which of the statements can be dispensed with while answering the above question?

A) A only B) B only
C) A or C only D) B or C only

Answer:   A) A only



Explanation:

Justification:      

We can find the code for 'home' from the second and third statements.

For finding the code for 'they', we need the code for 'go' which cannot be determined from the given data.
Clearly, statement A is not necessary.

Subject: Coding and Decoding
Related Questions
Q:

In a certain code, '289' means 'read from paper'; '276' means 'tea from field' and '85' means 'wall paper'. Which of the following is the code for 'paper' ?

A) 2 B) 8
C) 9 D) Can't be determined
 
Answer & Explanation Answer: B) 8

Explanation:

Justification:      

In the first and second statements, the common digit is '2' and the common word is 'from'.

So, '2' is the code for 'from'.

In the first and third statements, the common  code digit is '8' and the common word is 'paper'.

So, '8' is the code for 'paper'.

As shown above, '8' is the code for 'paper'.

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48 9405
Q:

In a certain code language, '851' means 'good sweet fruit' ; '783' means 'good red rose' and '341' means 'rose and fruit'. Which of the following digits stands for 'sweet' in that language ?

A) 8 B) 5
C) 1 D) 3
 
Answer & Explanation Answer: B) 5

Explanation:

Justification:      

In the first and second statements, the common code digit is '8' and the commmon word is 'good'.

So, '8' means 'good'.
In the first and third statements, the common code digit is '1' and the common word is 'fruit'.
So, '1' means 'fruit'.
Thus, in the first statement, '5' means 'sweet'.

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15 5913
Q:

In a certain code, '247' means 'spread red carpet' ; '256' means 'dust one carpet' and '234' means 'one red carpet'. Which digit in that code means 'dust' ?

A) 2 B) 3
C) 5 D) 6
 
Answer & Explanation Answer: C) 5

Explanation:

In the first and second statements, the common code digit is '2' and the common word is 'carpet'.

 

So, '2' means 'carpet'.

In the second and third statements, the common code digit is '6' and the common word is 'one'.

 

So, '6' means 'one'.
Therefore, in the second statement, '5' means 'dust'.

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95 17216
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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59 51095
Q:

In a certain code language,

(A) ‘pit dar na’ means ‘you are good’

(B) ‘dar tok pa’ means ‘good and bad’

(C) ‘tim na tok’ means 'they are bad’

In that language, which word stands for 'they' ?

A) na B) tok
C) tim D) pit
 
Answer & Explanation Answer: C) tim

Explanation:

Justification:      

In the first and third statements, the common word is 'na' and the common word is 'are'.

So, 'na' means 'are'.
In the second and third statements, the common code word is 'tok' and the common word is 'bad'.
So, 'tok' means 'bad'.
Thus, in the third statements, 'tim' stands for 'they'.

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117 63679
Q:

In a certain code language,

(A) ‘pit na som’ means ‘bring me water’

(B) ‘na jo tod’ means ‘water is life’

(C) ‘tub od pit’ means 'give me toy’

(D) ‘jo lin kot’ means ‘life and death’

Which of the following represents 'is' in that language ?

A) jo B) na
C) tod D) lin
 
Answer & Explanation Answer: C) tod

Explanation:

Justification:   

In statements A and B, the common code word is 'na' and the common word is 'water'.

So, 'na' means 'water'.

In statements B and D, the common code word is 'jo' and the common word is 'life'.
So, 'jo' means 'life'.
Thus, in statements B, 'tod' represents 'is'.

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761 83459
Q:

If in a certain code language, 'oka peru' means 'fine cloth' ; 'meta lisa' means 'clear water' and 'dona lisa peru' means 'fine clear weather' , which word in that language means 'weather' ?

A) peru B) oka
C) meta D) dona
 
Answer & Explanation Answer: D) dona

Explanation:

In the first and third statements, the common code word is 'peru' and the common word is 'fine'.

So, 'peru' means 'fine'.

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42 11982
Q:

If wall is called window, window is called door, door is called floor, floor is callled roof and roof is callled ventilator, what will a person stand on ?

A) Window B) Wall
C) Floor D) Roof
 
Answer & Explanation Answer: D) Roof

Explanation:

A person will stand on the 'floor' and 'floor' is called 'roof'.

So, a person will stand on the 'roof'.

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57 13988