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 Coding and Decoding Questions

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Q:

If '+' means x, '-' means /, 'x' means + and '/' means -, compute the value of the expression

 

17 + 6 x 13 / 8

A) 100 B) 107
C) 110 D) 109
 
Answer & Explanation Answer: B) 107

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Q:

If 5#5 = -25, -4#-3 = -12 and 3#-3 = 9, then find the value of 4#5 = ?

 

A) 49 B) -56
C) -17 D) -20
 
Answer & Explanation Answer: D) -20

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Q:

If the mathematical operators, 'x' means '+', '/' means 'x', '+' means '-', and '-' means '/', then 22 + 36 - 12 x 6 / 4 = ?

 

A) -21 B) 43
C) 68 D) 53
 
Answer & Explanation Answer: B) 43

Explanation:

 

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Q:

If 70!10 = -7, 70!5 = -14 and 40!4 = -10, then find the value of 20!2 = ?

 

A) 30 B) -10
C) 12 D) -24
 
Answer & Explanation Answer: B) -10

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Q:

If "A" means "plus", "B" means "divide", "C" means "multiply" and "D" means "minus", then

162 B 27 C 5 A 8 D 35 = ?

A) 0 B) 3
C) 1 D) 2
 
Answer & Explanation Answer: B) 3

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

294 B 6 A 30 C 31 D 4 = ?

A) 16 B) 156
C) 143 D) 163
 
Answer & Explanation Answer: C) 143

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Q:

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

 

294 B 7 A 40 C 33 D 11 = ?

 

A) 369 B) 365
C) 368 D) 363
 
Answer & Explanation Answer: B) 365

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