Exams Questions and Answers

Q:

Read the following question and decide which of the given statements is/are sufficient.

If X is a natural number, is X+6 odd?

Statements :

1. X - 15 is a whole number.

2. X - 6 is an odd number.

A) 2 alone is sufficient while 1 alone is not sufficient to answer the question	B) Both 1 and 2 together are sufficient to answer the question
C) Either 1 or 2 is sufficient to answer the question	D) 1 alone is sufficient while 2 alone is not sufficient to answer the question

Answer & Explanation Answer: A) 2 alone is sufficient while 1 alone is not sufficient to answer the question

Explanation:

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

0 17905

Q:

A sum of money triples itself in 8 years simple interest. Find the rate of percent per annum?

A) 30%	B) 25%
C) 22%	D) 18%

Answer & Explanation Answer: B) 25%

Explanation:

The rate of percent R is given by,

exp.

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Filed Under: Simple Interest
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

47 17901

Q:

From the given words, select the word which cannot be formed using the letters of the given word.

RECLINES

A) SINCE	B) RELIC
C) LINER	D) SCARE

Answer & Explanation Answer: D) SCARE

Explanation:

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Filed Under: Logical Sequence of Words
Exam Prep: Bank Exams

0 17901

Q:

A man covers half of his journey by train at 60 km/hr, half of the remaining by bus at 30 km/hr and the rest by cycle at 10 km/hr. Find his average speed during the entire journey?

A) 32 kmph	B) 20 kmph
C) 18 kmph	D) 24 kmph

Answer & Explanation Answer: D) 24 kmph

Explanation:

Let the total distance of the journey of a man = d kms

Now, the average speed of the entire journey = $\frac{d}{\frac{d}{120} + \frac{d}{120} + \frac{d}{40}}$ = 24 kmph.

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Filed Under: Time and Distance
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

30 17897

Q:

Identify the diagram that best represents the relationship among the given classes.

Search engines, Google, Bing, Yahoo

A) 1	B) 2
C) 3	D) 4

Answer & Explanation Answer: B) 2

Explanation:

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Filed Under: Image Analysis
Exam Prep: Bank Exams

2 17897

Q:

Optical fiber works on the principle of

A) Scattering	B) interference
C) total internal reflection	D) refraction

Answer & Explanation Answer: C) total internal reflection

Explanation:

Optical_fiber_works_on_the_principle_of1556277954.jpg image

Optical fiber works on the principle of total internal reflection.

The Total Internal Reflection is the phenomenon in which the complete reflection of a light ray reaching an interface with a less dense medium when the angle of incidence exceeds the critical angle.

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

40 17895

Q:

What is the smallest number by which 2880 must be divided in order to make it into a perfect square ?

A) 2	B) 3
C) 4	D) 5

Answer & Explanation Answer: D) 5

Explanation:

By trial and error method, we get
2880/3 = 960 is not a perfect square
2880/4 = 720 is not a perfect square
2880/5 = 576 which is perfect square of 24
Hence, 5 is the least number by which 2880 must be divided in order to make it into a perfect square.

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

14 17890

Q:

Find the remainder, when (37+57+78+75+179) is divided by 17.

A) 1	B) 2
C) 5	D) 7

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