Exams Questions and Answers

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
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47 17991

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 17987

Q:

An equilateral triangle is described on the diagonal of a square. What is the ratio of the area of the triangle to that of the square?

A) 1:2	B) 1:3
C) 2:3	D) 3^(1/2) :2

Answer & Explanation Answer: D) 3^(1/2) :2

Explanation:

area of a square = a² sq cm

length of the diagonal = $\sqrt{2 a}$ cm

area of equilateral triangle with side $\sqrt{2 a}$ = $\frac{\sqrt{3}}{4} * {(\sqrt{2 a})}^{2}$
required ratio = $\frac{\sqrt{3}}{4} * {(\sqrt{2 a})}^{2} : a^{2} = \sqrt{3} : 2$

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Filed Under: Area
Exam Prep: Bank Exams
Job Role: Bank PO

14 17975

Q:

Arrange the given words in the sequence in which they occur in the dictionary.

i. Recognize
ii. Receptive
iii. Record
iv. Recur

A) ii, i, iii, iv	B) iv, iii, ii, i
C) ii, i, iv, iii	D) i, ii, iii, iv

Answer & Explanation Answer: A) ii, i, iii, iv

Explanation:

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

1 17975

Q:

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

PREACHER

A) RECAP	B) PARCH
C) PEACH	D) CARES

Answer & Explanation Answer: D) CARES

Explanation:

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

1 17970

Q:

Which of the following pairs is NOT correctly matched?

A) Etna : Italy	B) Fujiyama : Japan
C) Popa : Myanmar	D) Krakatau : Malaysia

Answer & Explanation Answer: D) Krakatau : Malaysia

Explanation:

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Filed Under: World Geography
Exam Prep: Bank Exams

0 17970

Q:

Select the figure that does not belong in the following group.

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

Answer & Explanation Answer: B) 3

Explanation:

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Filed Under: Image Analysis
Exam Prep: Bank Exams

1 17958

Q:

8 is related to 81 in the same way as 64 is related to ____

A) 225	B) 425
C) 525	D) 625

Answer & Explanation Answer: D) 625

Explanation:

The relationship is $x^{y} : {(x + 1)}^{(y + 1)}$

Now , $64 = 4^{3}$

So, required number = ${(4 + 1)}^{(3 + 1)}$ = $5^{4}$ = 625

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

129 17952

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