Exams Questions and Answers

Q:

An assertion and a reason are given below.

Assertion : When velocity is kept constant and wavelength is halved, then the frequency is doubled.

Reason : Velocity = Frequency x Wavelength

Choose the answer.

A) Both Assertion and Reason are true and Reason is the correct explanation of Assertion	B) Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
C) Both Assertion and Reason are false	D) Assertion is true but Reason is false

Answer & Explanation Answer: A) Both Assertion and Reason are true and Reason is the correct explanation of Assertion

Explanation:

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Filed Under: Statement and Conclusions
Exam Prep: Bank Exams

1 53611

Q:

Which of the following statements is/are true?

$I . 11 \frac{1}{2} + 17 \frac{3}{4} - 5 \frac{1}{5} - 2 \frac{1}{10} = \frac{439}{20} II . \frac{9}{1078} > \frac{11}{1127} > \frac{12}{1219} III . \frac{149}{151} > \frac{153}{155} > \frac{157}{159}$

A) Only I	B) Only II
C) Only III	D) None is true.

Answer & Explanation Answer: A) Only I

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 53603

Q:

Consider the following constituent gases of the atmosphere :

1. Argon

2. Neon

3. Helium

4.Ceirbon dioxide

Which one of the following is the correct ascending sequence of the above gases in terms of the volume percentage?

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

Answer & Explanation Answer: B) 1-4-2-3

Explanation:

Composition of Dry Air (Substance, % by volume)

Nitrogen, N2 78.08

Oxygen, O2

20.95

Argon, Ar 0.93

Carbon dioxide, CO2 0.033

Neon, Ne 0.0018

Helium, He 0.00052

Methane, CH4 0.0002

Krypton, Kr 0.00011

Dinitrogen oxide, N2O 0.00005

Hydrogen, H2 0.00005

Ozone, O3 0.000001

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Filed Under: Chemistry
Exam Prep: Bank Exams

0 53601

Q:

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

PROXIMAL

A) MOLAR	B) AXIOM
C) REALM	D) APRIL

Answer & Explanation Answer: C) REALM

Explanation:

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Filed Under: Alphabet Test
Exam Prep: Bank Exams

0 53594

Q:

26 january 1950 which day of the week?

A) Monday	B) Wednesday
C) Thursday	D) Tuesday

Answer & Explanation Answer: C) Thursday

Explanation:

We know that,

Odd days --> days more than complete weeks

Number of odd days in 400/800/1200/1600/2000 years are 0.

Hence, the number of odd days in first 1600 years are 0.

Number of odd days in 300 years = 1

Number of odd days in 49 years = (12 x 2 + 37 x 1) = 61 days = 5 odd days

Total number of odd days in 1949 years = 1 + 5 = 6 odd days

Now look at the year 1950

Jan 26 = 26 days = 3 weeks + 5 days = 5 odd days

Total number of odd days = 6 + 5 = 11 => 4 odd days

Odd days :-

0 = sunday ;

1 = monday ;

2 = tuesday ;

3 = wednesday ;

4 = thursday ;

5 = friday ;

6 = saturday

Therefore, Jan 26th 1950 was Thursday.

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

208 53557

Q:

Which one of the following mixture is homogeneous?

A) Water and oil	B) Starch and sugar crystals
C) Graphite and charcoal	D) Alloys

Answer & Explanation Answer: D) Alloys

Explanation:

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Filed Under: Chemistry
Exam Prep: Bank Exams

1 53555

Q:

What is the value of 'x' in $2 \sqrt{3 x} - 5 \sqrt{27 x} + \sqrt{108 x} = - 21 ?$

A) 0.33	B) 1
C) 3	D) 9

Answer & Explanation Answer: C) 3

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 53536

Q:

If $\frac{x^{32} - 1}{x^{16}} = 5$ , then find the value of $\frac{x^{96} - 1}{x^{48}}$ .

A) 40	B) 70
C) 140	D) 180

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