Bank PO Questions and Answers with Explanation, Job Roles

Q:

Who is known as inventor of World Wide Standard Time ?

A) Sandford Fleming	B) Fredrich
C) Williamson	D) James Broot

Answer & Explanation Answer: A) Sandford Fleming

Explanation:

Sir Sandford Fleming, (January 7, 1827 – July 22, 1915) was a Scottish Canadian engineer and inventor. Born and raised in Scotland, he emigrated to colonial Canada at the age of 18. He proposed worldwide standard time zones, designed Canada's first postage stamp.

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Filed Under: Inventions
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11 5309

Q:

What is the profit or loss % when a shopkeeper bought 4 mangoes for Rs. 6 and sold them @ 4 mangoes for Rs. 4?

A) 36.333%	B) 33.666%
C) 33.333%	D) 36.666%

Answer & Explanation Answer: C) 33.333%

Explanation:

Cost of 4 mangoes = Rs. 6

Cost of 1 mango = Rs. 6/4 = Rs. 1.5

Now, Selling Price of 4 mangoes = Rs. 4

Selling Price of 1 mango = Rs. 4/4 = Rs. 1.0

We observe that, S.P < C.P

Hence, the shopkeeper incurs a loss.

Required loss% = loss/C.P x 100

Loss = 1.5 - 1 = 0.5

C.P = 1.5

Loss% = (0.5/1.5) x 100

= (5/15) x 100

= 1/3 x 100

= 100/3

= 33.333%.

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Filed Under: Profit and Loss
Exam Prep: CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

24 5308

Q:

Statements :
All kids are God.
No God is a Human.
Some Human are Son.
All Son are Men.

Conclusions :
(a) Some Son are not God.
(b) Some Men are Human.

A) Only A follows	B) Only B follows
C) Both (A) and (B) follows	D) Neither (A) nor (B) follows

Answer & Explanation Answer: C) Both (A) and (B) follows

Explanation:

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Filed Under: Statement and Conclusions
Exam Prep: GATE , CAT , Bank Exams , AIEEE
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8 5304

Q:

The G-7 is a group consisting of ?

A) the heads of the states of US, UK, France, Germany, Italy, Canada and Japan	B) the heads of the states of US, UK, France, Germany, Russia, Italy and Japan
C) the finance ministers of US, UK, France, Germany, Italy, Canada and Japan	D) the heads of the states of US, UK, France, Germany, Russia, Canada and Japan

Answer & Explanation Answer: C) the finance ministers of US, UK, France, Germany, Italy, Canada and Japan

Explanation:

The finance ministers of US, UK, France, Germany, Italy, Canada and Japan is called as G-7 group.

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Filed Under: General Awareness
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7 5302

Q:

Yeast used in making bread is a

A) Fungus	B) Bacteria
C) Seed	D) Plant

Answer & Explanation Answer: A) Fungus

Explanation:

Yeast used in making bread is a Fungus.

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Filed Under: Biology
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7 5300

Q:

Where are saved files stored in computer ?

A) Hard disk	B) Cache
C) RAM	D) Any of above

Answer & Explanation Answer: A) Hard disk

Explanation:

Most operating systems store files on a hard disk.

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Filed Under: Computer
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13 5300

Q:

Two cylindrical buckets have their diameters in the ratio 3:1 and their heights are as 1: 3. Find the ratio of their volumes.

A) 2:1	B) 3:1
C) 4:1	D) 5:1

Answer & Explanation Answer: B) 3:1

Explanation:

$\frac{v 1}{v 2} = \frac{{(r_{1})}^{2} \times h 1}{{(r_{2})}^{2} \times h 2}$

d1 = $2 r_{1}$ and d2 = $2 r_{2}$ are diameters

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams
Job Role: Bank PO

2 5300

Q:

Which reaction occurs spontaneously?

A) Cl2(g) + 2NaF(aq)--> F2(g) + 2NaCl(aq)	B) I2(s) + 2NaF(aq)--> F2(g) + 2NaI(aq)
C) Cl2(g) + 2NaBr(aq)-->Br2(l) + 2NaCl(aq)	D) I2(s) + 2NaBr(aq)--> Br2(l) + 2NaI(aq)

Answer & Explanation Answer: C) Cl2(g) + 2NaBr(aq)-->Br2(l) + 2NaCl(aq)

Explanation:

In this chemical reaction chlorine change oxidation number from 0 to -1 (reduction) and bromine change oxidation number from -1 to 0 (oxidation).

Chlorine is stronger oxidation reagent than bromine.

In VIIA or group 17 (halogen elements) there are six elements: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At) and tennessin(Ts).

They have high electronegativity because they have seven valence electrons in their outermost energy level, so they can gain an electron to have the octet rule.

Going down in the group, element are weaker oxidazing reagent and less reactive.

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Filed Under: Chemistry
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2 5295

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