5555+ Aptitude and Reasoning Questions, Answers With Explanation

Q:

$a^{2} + b^{2} + c^{2} - ab - bc - ca = 0, iff$

A) abc = -1	B) a = b = c
C) abc = 1	D) abc = 0

Answer & Explanation Answer: B) a = b = c

Explanation:

Here given formula is

$a^{2} + b^{2} + c^{2} - ab - bc - ca = 0$

and it is possible if and only if a = b = c.

From the trial and error method,

1) Let a = b = c = 1

Now substitute these values of a, b, c in the above formula.

We get 1 + 1 + 1 - 1 - 1 - 1 = 3 - 3 = 0

2) Now, let a = b = c = 4

Now substitute these values of a, b, c in the above formula.

We get 16 + 16 + 16 - 16 - 16 - 16 = 48 - 48 = 0.

Hence, it is possible that

$a^{2} + b^{2} + c^{2} - ab - bc - ca = 0 iff a = b = c.$

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Filed Under: Arithmetical Reasoning
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

4 3395

Q:

Find out from amongst the four alternatives as to how the pattern would appear when the transparent sheet is folded at the dotted line.

A) A	B) B
C) C	D) D

Answer & Explanation Answer: D) D

Explanation:

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Filed Under: Paper Folding

9 3395

Q:

36 is what percent of 80?

A) 54	B) 45
C) 60	D) 64

Answer & Explanation Answer: B) 45

Explanation:

Let 36 is p% of 80

=> p x 80/100 = 36

=> p = 36 x 10/8 = 45.

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Filed Under: Percentage
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

7 3394

Q:

A, B and C invested amounts in the ratio 3 : 4 : 5 respectively. If the schemes offered compound interest at the rate of 20% per annum, 15% per annum and 10% per annum respectively, then what will be the ratio of their amounts after 1 year?

A) 3 : 15 : 25	B) 6 : 6 : 5
C) 36 : 46 : 55	D) 12 : 23 : 11

Answer & Explanation Answer: C) 36 : 46 : 55

Explanation:

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Filed Under: Partnership
Exam Prep: Bank Exams

1 3391

Q:

25 divided by 7

A) 3.571	B) 35.71
C) 0.351	D) 0.0357

Answer & Explanation Answer: A) 3.571

Explanation:

Here we have 25 divided by 7.

25 will not go directly in 7

Hence, we get the result in decimals.

25/7 = 3.571.

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Filed Under: Numbers
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

4 3391

Q:

5% of a = b, then b% of 20 is the same as __________.

A) 20% of a/2	B) 50% of a/20
C) 50% of a/2	D) 20% of a/20

Answer & Explanation Answer: D) 20% of a/20

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

4 3389

Q:

Simple Interest received by a person in 10 years on a principal of Rs 9500 is 130% of the principal. What is the rate of interest (in %) per annum?

A) 12	B) 13
C) 15	D) 19

Answer & Explanation Answer: B) 13

Explanation:

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Filed Under: Simple Interest
Exam Prep: Bank Exams

5 3389

Q:

In the following questions are to be based on the details given below.

A salesman visits 274 houses in a town to find out the views about three products X, Y and Z. He found that 157 use X, 98 use only X, 22 use all the three, 14 use X and Z but not Y, 39 use Y and Z, 48 use only Y.

Which product is the most popular one?

A) X	B) Y
C) Z	D) Both X and Z

Aptitude and Reasoning Questions

What are Different sections in Aptitude and Reasoning Question and Answers?

Why Aptitude and Reasoning Questions?

What type of questions are there in Aptitude and Reasoning tests?

Non Verbal Reasoning

Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Data Interpretation

Verbal Reasoning - Logical Deduction

Verbal Reasoning - Mental Ability

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