Bank PO Questions and Answers with Explanation, Job Roles

Q:

A milkman purchases the milk at Rs. x per litre and sells it at Rs. 2x per litre still he mixes 2 litres water with every 6 litres of pure milk. What is the profit percentage?

A) 116%	B) 166.66%
C) 60%	D) 100%

Answer & Explanation Answer: B) 166.66%

Explanation:

Let the cost price of 1-liter pure milk be Re.1, then

$\{\begin{cases} 6 l i t e r s (m i l k) \to C . P = R s . 6 \\ 2 l i t e r s (w a t e r) \to C . P = R s . 0 \end{cases} \to C P = R s . 6 o n l y$

8 litre mixture =>

SP => 8 x 2 = Rs. 16

Profit % = $\frac{16 - 6}{6} x 100 = \frac{1000}{6} = 166.66 %$

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

392 58645

Q:

A man walked diagonally across a square lot. Approximately, what was the percent saved by not walking along the edges?

A) 30	B) 40
C) 50	D) 60

Answer & Explanation Answer: A) 30

Explanation:

Let the side of the square(ABCD) be x meters.

Then, AB + BC = 2x metres.

AC = $\sqrt{2 x}$ = (1.41x) m.

Saving on 2x metres = (0.59x) m.

Saving % = $\frac{0.59 x}{2 x} * 100$ = 30% (approx)

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

96 58591

Q:

If log 2 = 0.30103, Find the number of digits in 2⁵⁶ is

A) 17	B) 19
C) 23	D) 25

Answer & Explanation Answer: A) 17

Explanation:

$\log (2^{56})$ =56*0.30103 =16.85768.

Its characteristics is 16.

Hence, the number of digits in $2^{56}$ is 17.

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

119 58449

Q:

If the radius of a circle is decreased by 50%, find the percentage decrease in its area.

A) 55%	B) 65%
C) 75%	D) 85%

Answer & Explanation Answer: C) 75%

Explanation:

Let original radius = R.

New radius = $\frac{50}{100} R$ = $\frac{50}{100} R$

Original area = $\frac{R}{2}$ and new area = ${πR}^{2}$

$\frac{3 {πR}^{2}}{4} * \frac{1}{{πR}^{2}} * 100$

Decrease in area = $π {(\frac{R}{2})}^{2} = \frac{{πR}^{2}}{4}$ = 75%

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

147 58438

Q:

Poor people have it.

Rich people need it.

If you eat it you die.

What is it?

A) Money	B) Brain
C) Luxury items	D) Nothing

Answer & Explanation Answer: D) Nothing

Explanation:

Poor people have Nothing

Rich people need Nothing

If you eat Nothing you die.

Hence, it is Nothing.

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Filed Under: Logic Puzzles
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Analyst , Bank Clerk , Bank PO , IT Trainer

68 58364

Q:

Find the odd man out of the following number series?

720, 732, 708, 742, 696

A) 696	B) 742
C) 708	D) 732

Answer & Explanation Answer: B) 742

Explanation:

The given number series is 720, 732, 708, 742, 696

720

720 + 12 = 732

732 - 24 = 708

708 + 36 = 744 (Not 742)

744 - 48 = 696

Hence, the odd man in the given number series is 742.

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

3 58247

Q:

Who is the guardian of fundamental Rights enumerated in Indian Constitution?

A) Supreme Court	B) Parliament
C) Constitution	D) President

Answer & Explanation Answer: A) Supreme Court

Explanation:

The Judiciary is the guardian of fundamental Rights enumerated in Indian Constitution.

In a criminal case, the judge has the power to decide whether the accused's rights have been violated.

As with most disputes, the courts decide when a right has been violated. They then have the power to act in order.

Here the Supreme Court is tyhe Highest of the Judiciary in India.

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

254 58198

Q:

Find the missing number?

5 19 49 101 181 295 ?

A) 401	B) 351
C) 449	D) 501

Answer & Explanation Answer: C) 449

Explanation:

Given number series is 5 19 49 101 181 295 ?

Here the series follows pattern that

5 19 49 101 181 295 ?

14 30 52 80 114 (difference)

16 22 28 34 (difference)

6 6 6 (Common difference)

Therefore, the missing number in the series is ? = 295 + 115 + 34 + 6 = 449.

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

4 58083

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