Bank PO Questions and Answers with Explanation, Job Roles

Q:

Simplify the following equation.

$\frac{19}{43} + \frac{1}{(2 + \frac{1}{3 + \frac{1}{1 + \frac{1}{4}}})}$

A) 43/19	B) 1
C) 38/19	D) None of these

Answer & Explanation Answer: D) None of these

Explanation:

After solving we get,

62/931.

None of the options satisfy.

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

23 94046

Q:

A batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3. Find his average after 17th inning?

Answer

Let the average after 7th inning = x

Then average after 16th inning = x - 3

16(x-3)+87 = 17x

x = 87 - 48 = 39

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Subject: Average Exam Prep: CAT , Bank Exams , AIEEE
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674 93801

Q:

Place these hydrocarbons in order of decreasing boiling point.

1. Paraffin

2. Octadecane

3. Hexane

4. Neohexane and

5. Ethane

A) Paraffin > Octadecane > Neohexane > Hexane > Ethane	B) Paraffin > Octadecane > Hexane > Neohexane > Ethane
C) Hexane > Paraffin > Octadecane > Neohexane > Ethane	D) None of the above

Answer & Explanation Answer: B) Paraffin > Octadecane > Hexane > Neohexane > Ethane

Explanation:

In hydrocarbon, the boiling point directly varies with the length of carbon chain. On increasing the number of carbon atom, the boiling point of the compound also increases. Paraffin contains highest number of carbon atoms whereas, ethane is comprised of two carbon atoms.

The decreasing order of boiling point of mention compounds is written as follows:

Paraffin > Octadecane > Hexane > Neohexane > Ethane

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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10 93636

Q:

Which are two chemicals used to purify water?

A) Chlorine & Fluorine	B) Fluorine & Iodine
C) Chlorine & Hydrogen peroxide	D) Fluorine & Iodine

Answer & Explanation Answer: C) Chlorine & Hydrogen peroxide

Explanation:

Removing the contaminents if any in the water which causes harm to our health is involved in the purifying of water.

This process involves chemicals. Chloramines, Hydrogen peroxide, Iodine are the chemicals which are used in purifying water.

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

1 93054

Q:

What is the next number in this series ?

4, 6, 12, 18, 30, 42, 60, ?

A) 71	B) 72
C) 73	D) 69

Answer & Explanation Answer: B) 72

Explanation:

With close observation, you will note that each number in the list is in the middle of two prime numbers. Thus:

4 is in the middle of 3 and 5, 6 is in the middle of 5 and 7, 12 is in the middle of 11 and 13, 18 is in the middle of 17 and 19, 30 is in the middle of 29 and 31. 42 is in the middle of 41 and 43, 60 is in the middle of 59 and 61.

Therefore, the next number would be the one that is in the middle of the next two prime numbers, which is 72 (which is in the middle of 71 and 73).

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Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT
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10 92819

Q:

A computer cannot "boot" if it does not have the _____

A) Compiler	B) Loader
C) Operating system	D) Assembler

Answer & Explanation Answer: C) Operating system

Explanation:

An operating system is the system software that handles the software and hardware resources and provides services for the computer programs. SO without an operating system, a computer cannot "boot".

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

563 91779

Q:

Select the four statements about Plasmodium that are true.

A) Inside an infected mosquito, haploid gametes fuse, forming a diploid zygote that develops into an oocyst

B) Plasmodium cells infect two specific types of cells in humans.

C) Inside an infected mosquito, haploid gametes fuse, forming a haploid zygote that develops into an oocyst.

D) When a mosquito bites a human with malaria, diploid Plasmodium cells enter the mosquito.

E) Plasmodium cells are transferred to humans through mosquito saliva.

F) The life cycle of Plasmodium involves only haploid forms.

G) The complete life cycle of Plasmodium requires two hosts.

A) A, B, E, G	B) A, C, F, G
C) B, C, D, F	D) None of the above

Answer & Explanation Answer: A) A, B, E, G

Explanation:

Plasmodium is a genus of unicellular eukaryotes that are obligate parasites of vertebrates and insects.

From the above given options, A, B, E, G are TRUE regarding Plasmodium.

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Filed Under: General Science
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36 90764

Q:

At what time between 2 and 3 o'clock will the hands of a clock be together?

A) (9 + 10/11) min past 2	B) (10 + 10/11) min past 2
C) (11 + 10/11) min past 2	D) (12 + 10/11) min past 2

Answer & Explanation Answer: B) (10 + 10/11) min past 2

Explanation:

At 2 o'clock, the hour hand is at 2 and the minute hand is at 12, i.e. they are 10 min spaces apart.

To be together, the minute hand must gain 10 minutes over the hour hand.

Now, 55 minutes are gained by it in 60 min.

$\therefore$ 10 minutes will be gained in $\frac{60}{55} \times 10$ min. = $10 \frac{10}{11}$ min.

The hands will coincide at $10 \frac{10}{11}$ min. past 2.

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

204 90623

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