Bank PO Questions and Answers with Explanation, Job Roles

Q:

In what way does ocean water move globally?

A) Along cold water currents from the equator to the poles.	B) Along warm water currents from the warmer regions to colder regions
C) Along warm water currents from the equator to the poles	D) None of the above

Answer & Explanation Answer: C) Along warm water currents from the equator to the poles

Explanation:

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Filed Under: World Geography
Exam Prep: AIEEE , Bank Exams , CAT
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4 4831

Q:

Arjuna Award was introduced in _____ ?

A) 1971	B) 1961
C) 1951	D) 1987

Answer & Explanation Answer: B) 1961

Explanation:

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Filed Under: Honours and Awards
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8 4831

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
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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2 4830

Q:

Synonym for the word : Bleak

A) bare	B) lush
C) warm	D) verdant

Answer & Explanation Answer: A) bare

Explanation:

Bleak means an area of land lacking vegetation and exposed to the elements like deserts.

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Filed Under: Analogy
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16 4826

Q:

Mary is 12 years younger to Pinky. After 3 years, the ratio of their ages will be 5:8. If the present age of Sam is the sum of ages of Mary and Pinky, then what was the age of Sam 15 years back ?

A) 31 years	B) 37 years
C) 46 years	D) 29 years

Answer & Explanation Answer: A) 31 years

Explanation:

Let the present age of Pinky be x years

Then the age of Mary is x - 12 years

After 3 years,

Ratio of $\frac{M a r y}{P i n k y} = \frac{x - 9}{x + 3} = \frac{5}{8}$

8x - 72 = 5x +15

=> 3x = 87

=> x = 29

=> Age of Pinky = 29 years

=> Age of Mary = 29 - 12 = 17 years

Present age of Sam = 29 + 17 = 46

Before 15 years Sam age = 46 - 15 = 31 years.

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Filed Under: Problems on Ages
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9 4826

Q:

The price of pulses has increased by 25%. The percentage of reduction that a family should effect in the use of pulses so as not to increase the expenditure on this account is ?

A) 16%	B) 20%
C) 84%	D) 72%

Answer & Explanation Answer: B) 20%

Explanation:

Reduction in consumption
= $\frac{P}{100 + P}$ X 100%
= $\frac{25}{100 + 25}$ X 100%
= 20%

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Filed Under: Percentage
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4 4826

Q:

The value of $[\frac{1}{3} l o g_{10} (125) - 2 l o g_{10} (4) + l o g_{10} (32)] :$

A) 0	B) 1
C) 2	D) 4/5

Answer & Explanation Answer: B) 1

Explanation:

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Filed Under: Logarithms
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24 4824

Q:

In a slip test, K got the 15th rank and he was 44th from the bottom of the list of passed students. 4 students did not take up the slip test and 3 students were failed. What is the total strenght of the class ?

A) 63	B) 62
C) 64	D) 65

Answer & Explanation Answer: D) 65

Explanation:

Total strength of the class is given by

15 + 44 + 4 + 3 - 1 = 65

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Filed Under: Simplification
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Job Role: Bank Clerk , Bank PO

9 4823

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