Bank PO Questions and Answers with Explanation, Job Roles

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
Exam Prep: GATE , CAT , Bank Exams , AIEEE
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9 5192

Q:

Find the Odd one out of the following Numbers?

A) 3	B) 19
C) 67	D) 133

Answer & Explanation Answer: D) 133

Explanation:

Here among the given numbers, 3, 19, 67 are prime numbers. And 133 is not a prime number.

Hence, the odd number of the given numbers is 133.

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Filed Under: Odd Man Out
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4 5191

Q:

Below question has with a part of it underlined. The question is followed by four alternatives to replace the underlined part of the sentence. Choose the best alternative which is grammatically correct.

In this particular job we have discovered that to be diligent is more important than being bright.

A) for one to be diligent is more important than being bright.	B) by being diligent is important than being bright.
C) being diligent is more important than being bright.	D) diligence is more important than brightness.

Answer & Explanation Answer: D) diligence is more important than brightness.

Explanation:

Parallel construction error in the original statement. A similar form is required on each side of the comparison. " Diligence - brightness ".

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Filed Under: Analogy
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7 5191

Q:

Nickname of Jayaprakash Narayan?

A) Lok Pal	B) Lok Nayak
C) Lokansh	D) Lok Satta

Answer & Explanation Answer: B) Lok Nayak

Explanation:

nickname_of_jayaprakash_narayan1561466732.jpg image

Jayaprakash Narayan was an Indian independence activist, theorist, socialist and political leader who is popularly known as Lok Nayak.

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Filed Under: Famous Personalities
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2 5184

Q:

What percent is 120 of 85 ?

A) 133.33 %	B) 141.17 %
C) 145.54 %	D) 139.29 %

Answer & Explanation Answer: B) 141.17 %

Explanation:

$\frac{P x 85}{100} = 120$

=> p = 12000/85 = 141.17 %

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Filed Under: Percentage
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2 5181

Q:

A 150 m long train crosses another 210 m long train running in the opposite direction in 10.8 seconds. If the shorter train crosses a pole in 12 seconds, what is the speed of longer train ?

A) 75 kmph	B) 80 kmph
C) 54 kmph	D) 45 kmph

Answer & Explanation Answer: A) 75 kmph

Explanation:

Total distance = 150 + 210 = 360 mts

Time taken to cross each other when moving in opposite direction = 10.8 sec

Relative speed of trains = (350/10.8) x 18/5 = 3600/30 = 120 kmph

Speed of shorter train = (150/12) x 18/5 = 45 kmph

Hence, speed of longer train = 120 - 45 = 75 kmph.

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Filed Under: Problems on Trains
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6 5174

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 5173

Q:

Jackie deposits $325 in an account that pays 4.1% interest compounded annually. How much money will Jackie have in her account after 3 years?

A) 346.64	B) 356.64
C) 366.64	D) 376.64

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