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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?

 

90 ÷ 10 + 5 - 6 x 4 = 28

 

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

Explanation:
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Q:

If signs - and x, and numbers 3 and 15 are interchanged, what is the value of 3+12/6-4x15 is

 

A) 20 B) 30
C) 40 D) 50
 
Answer & Explanation Answer: A) 20

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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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1 14577
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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3 14502
Q:

Happiness is to 517768399 as senipah is to

A) 9836715 B) 9386615
C) 9386715 D) 9386517
 
Answer & Explanation Answer: C) 9386715

Explanation:

If each consecutive letter in "happiness" relates to the consecutive numbers in 517768399, then H=5, A=1, P=7, I=6, N=8, E=3 and S=9.

Using the numbers that relate to the letters in 'senipah', you will arrive at

SENIPAH = 9386715.

 

Hence, Happiness is to 517768399 as senipah is to 9386715.

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41 14481
Q:

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

 

17 - 20 ÷ 25 x 6 + 10 = 12

 

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

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Q:

If 16#2 = 16, 12#6 = 36 and 6#1 = 3, then find the value of 4#4 = ?

 

A) 2 B) 4
C) 10 D) 8
 
Answer & Explanation Answer: D) 8

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Q:

If 7Ω6 = 84, 8Ω7 = 112 and 8Ω4 = 64, then find the value of 3Ω4 = ?

 

 

A) 24   B) 12
C) 4   D) 20
 
Answer & Explanation Answer: A) 24  

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