Bank PO Questions and Answers with Explanation, Job Roles

Q:

43% of 616.6 + 37% of 217 =?

A) 345.428	B) 354.428
C) 344.428	D) 364.428

Answer & Explanation Answer: A) 345.428

Explanation:

43 x 616.6/100 + 37 x 217/100

=> 265.138 + 80.29

=> 345.428

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Filed Under: Simplification
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2 8592

Q:

If a soldier fires 7 shots from a gun in 12 minutes then find the total number of shots fired by the man in 3/2 hrs.

A) 45	B) 44
C) 46	D) 47

Answer & Explanation Answer: C) 46

Explanation:

Here given soldier shots 7 shots in 12 min

=> 1 shot doen't take any time in 12 min

=> Only 6 shots take 12 min

12 min ------ 6 shots

90 min ------ ? shots

=> 90 x (6/12) = 45

Therefore, total shots fired in 90 minutes = 45 + 1 = 46 shots.

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Filed Under: Time and Work
Exam Prep: GATE , CAT , Bank Exams , AIEEE
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11 8589

Q:

P, Q and R start simultaneously from A to B. P reaches B, turns back and meet Q at a distance of 11 km from B. Q reached B, turns back and meet R at a distance of 9 km from B. If the ratio of the speeds of P and R is 3:2, what is the distance between A and B ?

A) 99	B) 100
C) 89	D) 1

Answer & Explanation Answer: A) 99

Explanation:

Let, Distance between A and B = d

Distance travelled by P while it meets Q = d + 11

Distance travelled by Q while it meets P = d – 11

Distance travelled by Q while it meets R = d + 9

Distance travelled by R while it meets Q = d – 9

Here the ratio of speeds of P & Q => SP : SQ = d + 11 : d – 11

The ratio of speeds of Q & R => SQ : SR = d + 9 : d – 9

But given Ratio of speeds of P & R => P : R = 3 : 2

$\frac{S P}{S R} = \frac{S P}{S Q} x \frac{S Q}{S R} = \frac{(d + 11) (d + 9)}{(d - 11) (d - 9)}$

=> $\frac{(d + 11) (d + 9)}{(d - 11) (d - 9)}$ = 3/2

=> d = 1, 99

=> d = 99 satisfies.

Therefore, Distance between A and B = 99

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Filed Under: Time and Distance
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16 8587

Q:

Which of the following pairs have the same relationship as OFTEN : FOTEN?

A) HEART : TRAHE	B) OPENS : SNEOP
C) RISKY : IRSYK	D) FIRST : IFRST

Answer & Explanation Answer: C) RISKY : IRSYK

Explanation:

It is a case of shifting as given below:

1 2 3 4 5 2 1 3 5 4

O F T E N $\to$ F O T N E

---------------------------------------------------------------------------

1 2 3 4 5 5 4 3 1 2

1. H E A R T $\to$ T R A H E

2. O P E N S $\to$ S N E O P

1 2 3 4 5 2 1 3 5 4

3. R I S K Y $\to$ I R S Y K

4. F I R S T $\to$ I F R S T

Hence option 3 is correct.

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Filed Under: Analogy
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19 8574

Q:

Which compound contains both ionic and covalent bonds?

A) NaNO3	B) CaSO4
C) NH4Cl	D) All of the above

Answer & Explanation Answer: D) All of the above

Explanation:

Here all the given compounds have both ionic and covalent bonds.

NaNO3 - In Sodium nitrate, Nitrate is covalently bonded as nitrogen is bonded with 3 oxygen atoms. And this nitrate is ionically bonded with sodium.

CaSO4 - In Calcium sulphate, sulphate is covalently bonded as sulphur is bonded with 4 oxygen atoms. And this sulphate is ionically bonded with calcium.

NH4Cl - In Ammonium chloride, ammonium is covalently bonded as nitrogen is bonded with 4 hydrogen atoms. And this ammonium is ionically bonded with chlorine.

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Filed Under: Chemistry
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5 8564

Q:

Which statement best describes an $O_{3}$ molecule?

A) The double bond in ozone switches back and forth between the two outer oxygen atoms	B) An ozone molecule contains one single bond and one double bond
C) Each atom in ozone is connected to another atom by 1.5 bonds.	D) None

Answer & Explanation Answer: B) An ozone molecule contains one single bond and one double bond

Explanation:

Ozone molecule has one single bond and one double bond.

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Filed Under: General Science
Exam Prep: AIEEE , GATE
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8 8563

Q:

Which expression is equivalent to $i^{233}$ ?

A) i	B) 1
C) -i	D) -1

Answer & Explanation Answer: A) i

Explanation:

We know that,

$i^{2} = - 1 i^{3} = i^{2} x i = - 1 x i = - i i^{4} = i^{2} x i^{2} = - 1 x - 1 = 1 Hence, i^{233} = i^{4 x 58 + 1} = i^{232} x i^{1} = 1 x i = i$

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Filed Under: Numbers
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9 8562

Q:

The Shortest air route from Moscow to San Francisco is

A) Over the Atlantic Ocean	B) Over the Pacific via Siberia
C) Over the North pole	D) Through the latitude which passes through them

Answer & Explanation Answer: A) Over the Atlantic Ocean

Explanation:

Moscow $37^{o}$ and Los Angeles $118^{o} W$ show a longitude difference of $155^{o}$ across the Atlantic and of $205^{o}$ across the Pacific.

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Filed Under: World Geography
Exam Prep: AIEEE , Bank Exams , CAT
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6 8555

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