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 Coding and Decoding Questions

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Q:

Select the correct set of symbols which will fit in the given equation?

 

5 0 3 5 = 20

 

A) +, - , + B) x, +, x
C) -, +, x D) x, x, x
 
Answer & Explanation Answer: C) -, +, x

Explanation:
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Q:

If @ means +, # means -, $ means x and * means /, then what is the value of 16 @ 4 $ 5 # 72 * 8 = 

 

A) 27 B) 26
C) 36 D) 35
 
Answer & Explanation Answer: A) 27

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Q:

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

 

24 + 4 - 20 ÷ 9 x 5 = 31

 

A) - and + B) ÷ and x
C) x and - D) + and ÷
 
Answer & Explanation Answer: D) + and ÷

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Q:

If 20&60 = 8, 40&80 = 12 and 10&20 = 3, then find the value of 20&50 = ?

 

A) 18 B) 7
C) 10 D) 17
 
Answer & Explanation Answer: B) 7

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Q:

If 18!10 = 4, 10!4 = 3 and 4!8 = -2, then find the value of 16!18 = ?

 

A) 2   B) -1  
C) -8   D)  9
 
Answer & Explanation Answer: B) -1  

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Q:

Which of the following terms follows the trend of the given list?

 

ABCABcaBC, ABCAbcABC, ABCabCABC, ABcaBCABC, AbcABCABC, ______________

 

A) ABCABCabC   B)  abCABCABC  
C) ABCABcaBC   D)
 
Answer & Explanation Answer: B)  abCABCABC  

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Q:

Answer the questions based on the below information.

 

If '+' is 'x', '-' is '+', 'x' is '/' and '/' is '-' then 6 - 9 + 8 x 3 / 20

 

A) -2 B) 6
C) 10 D) 12
 
Answer & Explanation Answer: C) 10

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Q:

In a certain code language 'how many goals scored' is written as '5397'; 'many more matches' is written as '982'; and 'he scored five' is written as '163'. How is 'goals' written in that code language ?

A) 5 B) 7
C) 3 D) Data is not sufficient
 
Answer & Explanation Answer: D) Data is not sufficient

Explanation:

From the given data,
how many goals scored = 5397....(1)
many more matches = 982.....(2)
he scored five = 163.....(3)
from (1)&(2), many = 9 ....(4)
from (1)&(3), scored = 3 ....(5)
Using (4)&(5)in(1), we get goals = 5 or 7.

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