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 Coding and Decoding Questions

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Q:

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


10 + 14 x 20 - 7 ÷ 10 = 40

 

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

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Q:

If "A" means "subtraction", "B" means "division", "C" means "addition" and "D" means "multiplication", then

 

330 B 6 A 32 C 45 D 12 = ?

 

A) 525 B) 547
C) 582 D) 563
 
Answer & Explanation Answer: D) 563

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Q:

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


8 ÷ 2 - 50 x 6 + 16 = 50

 

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

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Q:

If FRIEND is coded as HUMJTK, how is CANDLE written in that code ?

A) EDRIRL B) DCQHQK
C) ESJFME D) DEQJQM
 
Answer & Explanation Answer: A) EDRIRL

Explanation:

The first, second, third, fourth, fifth and sixth letters of th word are respectively moved two, three, four, five, six and seven steps forward to obtain the corresponding letters of the code.

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704 58660
Q:

If 60#40 = 10, 40#20 = 6 and 60#90 = 15, then find the value of 40#30 = ?

 

A) 15 B)  12
C) 18 D)  7
 
Answer & Explanation Answer: D)  7

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12 57532
Q:

Fill in the blank based on the given related pair.

 

GULF : 519104 :: WINE : ___

 

 

A) 217123 B) 217132
C) 217124 D) 217321
 
Answer & Explanation Answer: A) 217123

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2 51831
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

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35 50038
Q:

Answer the questions based on the below information.

 

If '+' is 'x', '-' is '+', 'x' is '/' and '/' is '-' then 9 / 5 + 4 - 3 x 2 = ?

 

 

A) 2 B) -9
C) -3 D) -9.5
 
Answer & Explanation Answer: D) -9.5

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