Aptitude and Reasoning Questions

Q:

If the equations 6x - 5y + 11 = 0 and 15x +  ky - 9 = 0 have no solution, then the value of k is:

 

A) -18 B) 12.5
C) -12.5 D) 18
 
Answer & Explanation Answer: C) -12.5

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Q:

Find the greatest number which on dividing 391 and 318 leaves remainders 7 and 6 respectively.

A) 20 B) 23
C) 24 D) 32
 
Answer & Explanation Answer: C) 24

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Filed Under: Problems on Numbers
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Q:

If a mirror is placed on the line MN, then which of the answer figures is the right image of the given figure?

 

 

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: B) 2

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Q:

If 2560.256 = 25.6x, then what will be the value of x?

A) 2.56 B) 25.6
C) 0.256 D) 0.0256
 
Answer & Explanation Answer: D) 0.0256

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Q:

If 70% of 5/7th of a number is 90, find the number.

A) 150 B) 180
C) 160 D) 190
 
Answer & Explanation Answer: B) 180

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Q:

Two pipes A and B can fill an empty cistern in 18 and 27 hours, respectively. Pipe C can drain the entire cistern in 45 hours when no other pipe is in operation. Initially, when the cistern was empty Pipe A and Pipe C were turned on. After a few Pipe A was turned off and Pipe B was turned on instantly. In all, it took 55 hours to fill the cistern. For how many hours was Pipe B turned on?

A) 50 B) 45
C) 27 D) 30
 
Answer & Explanation Answer: B) 45

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Filed Under: Pipes and Cistern
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Q:

If a mirror is placed on the line MN, then which of the answer figures is the right image of the given figure?

 

 

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: B) 2

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Q:

Consider the given question and decide which of the following statements is sufficient to answer the question.

If X scored an average of 50 marks in History, Language and Science, how much did he score in Science?

 

Statements :

1. His average score in History and Language is 25.
2. He got 30 marks in Language.

 

A) Both 1 and 2 are sufficient to answer the given question. B) 2 alone is sufficient while 1 alone is not sufficient to answer the given question
C) 1 alone is sufficient while 2 alone is not sufficient to answer the given question D) Neither 1 nor 2 is sufficient to answer the given question
 
Answer & Explanation Answer: C) 1 alone is sufficient while 2 alone is not sufficient to answer the given question

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Filed Under: Statement and Conclusions
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