Coding and Decoding Questions

Q:

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

 

QPQPQRPQP, QPQPRQPQP, QPQRPQPQP, QPRQPQPQP, QRPQPQPQP, _______________.

 

A) RQPQPQPQP   B) QPQPQPRQP  
C) QPQPQRPQP D) QPQPRQPQP
 
Answer & Explanation Answer: A) RQPQPQPQP  

Explanation:
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Q:

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

 

18 ÷ 2 - 25 x 9 + 6 = 38

 

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

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Q:

If 12@18 = -3, 18@6 = 6 and 16@8 = 4, then find the value of 6@10 = ?

 

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

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Q:

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

 

36 - 4 + 7 x 8

 

A) 72 B) 71
C) 74 D) 75
 
Answer & Explanation Answer: B) 71

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Q:

If 20#4 = -5, 50#25 = -2 and 80#16 = -5, then find the value of 10#2 = ?

 

A) -30 B) -40
C) -20 D) -5
 
Answer & Explanation Answer: D) -5

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Q:

If 20 - 10 means 200, 8 / 4 means 12, 6x2 means 4, then

 

100 - 10 x 1000/ 1000 + 100 x 10 = ?

 

A) 20 B) 10
C) 0 D) 1
 
Answer & Explanation Answer: C) 0

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Q:

Select the correct combination of mathematical signs to replace * signs and to balance the equation.

48 * 4 * 6 * 3 * 30

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

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Q:

If Z= 2197 and R= 729. How would J be written in that code?

A) 216 B) 124
C) 512 D) 125
 
Answer & Explanation Answer: D) 125

Explanation:

Z Code2626213133 =2197

R Code 181829 93 =729

Similarly, J Code 10102553=125

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