Aptitude and Reasoning Questions

Q:

Which of the following pair of numbers is the solution of the equation 3x+2+ 3x= 10 ?

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

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If the radius of the cylinder is increased by 25%, then by how much percent the height must be reduced, so that the volume of the cylinder remains same?

A) 36 B) 56
C) 64 D) 46
 
Answer & Explanation Answer: A) 36

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

A student multiplied a number by 6/13 instead of 13/6. What is the percentage error in the calculation?

A) 369.44 percent B) 39.35 percent
C) 184.72 percent D) 78.7 percent
 
Answer & Explanation Answer: D) 78.7 percent

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If Rs 25,000 is to be divided between A, B and C in the ratio 1/10 : 1/6 : 1/15, then how much will C get (in Rs)?

A) 5000 B) 7500
C) 10000 D) 12500
 
Answer & Explanation Answer: A) 5000

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

What is the product of a number and its reciprocal?

A) 0 B) 1
C) -ve of the number D) the number itself
 
Answer & Explanation Answer: B) 1

Explanation:

The product of a number and its reciprocal is always equals to 1.

 

For Example : Let the number be 4.

Now, its reciprocal is 1/4

Hence, required product = 4 x 1/4 = 1.

 

Now, take the number as -15.

Then its reciprocal is -1/15

Required product = -15 x -1/15 = 1.

 

Hence, the product of a number and its reciprocal is 1.

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Filed Under: Arithmetical Reasoning
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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Q:

In a certain code language, "TROUPE" is written as "GILFKV" and "ERUPTION" is written as "VIFKGRLM". How is "GENIUS" written in that code language?

A) TVMRFH B) TVMRGH
C) VIKRGH D) TUVHRH
 
Answer & Explanation Answer: A) TVMRFH

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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Q:

What is the value of (81 + 82 + 83 + ......... +130)?

A) 5275 B) 10550
C) 15825 D) 21100
 
Answer & Explanation Answer: A) 5275

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Filed Under: Numbers
Exam Prep: Bank Exams , CAT

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Q:

In a row of boys, Rahul is 19th from top and Ajay is 21st from bottom. They interchange their position. Ajay now becomes 28th from bottom. Howmany total boys are there in the row?

A) 47 B) 46
C) 45 D) 48
 
Answer & Explanation Answer: B) 46

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