Free Practice Questions for Competitive Exams, Interviews, Certifications

Q:

A sales boy is allowed $4 \frac{1}{2}$ % discount on the total sales made by him plus a bonus of $\frac{1}{4}$ % on the sales over Rs.12,000.If his total earnings were Rs.2400, then his total sales(in Rs.) are ?

A) Rs.60,145.23	B) Rs.54,285.54
C) Rs.52,147.85	D) Rs.50,589.47

Answer & Explanation Answer: D) Rs.50,589.47

Explanation:

Let the total earnings be Rs.x

Then $4 \frac{1}{2}$ % of x + $\frac{1}{4}$ % of (x-12000) =2400

$\Rightarrow \frac{9}{2} \times \frac{x}{100} + \frac{1}{4} \times \frac{x - 12000}{100} = 2400$

=> x=50,589.47

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Filed Under: Percentage
Exam Prep: CAT
Job Role: Bank Clerk

8 5554

Q:

Which of the following statements are CORRECT?

I. Oxides of metals are generally basic.

II. Oxides of non-metals are generally acidic.

III. Non-metals are generally electro positive.

A) Only I and II	B) Only I and III
C) Only II and III	D) All I, II and III

Answer & Explanation Answer: A) Only I and II

Explanation:

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams

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Q:

Which state has established India's first Centre for Animal Law ?

A) Madhya Pradesh	B) Uttar Pradesh
C) Maharashtra	D) Telangana

Answer & Explanation Answer: D) Telangana

Explanation:

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Filed Under: Indian Culture
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72 5552

Q:

Which of the following physical quantities have the same dimensions

A) momentum and impulse	B) power and young modulus
C) Energy and angular Momentum	D) force constant and moment of inertia

Answer & Explanation Answer: A) momentum and impulse

Explanation:

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Filed Under: Physics

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Q:

What is busy waiting?

Answer

The repeated execution of a loop of code while waiting for an event to occur is called busy-waiting. The CPU is not engaged in any real productive activity during this period, and the process does not progress toward completion.

Workspace

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Subject: Operating Systems

9 5550

Q:

Three fair coins are tossed simultaneously. Find the probability of getting more heads than the number of tails

A) 2	B) 7/8
C) 5/8	D) 1/2

Answer & Explanation Answer: D) 1/2

Explanation:

S = { HHH, HHT, HTH, HTT, THH, THT, TTH, TTT }

=> n(S) = 8

E = { HHH, HHT, HTH, THH }

=> n(E) = 4

P(E) = 4/8 = 1/2

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Filed Under: Probability

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Q:

Consider the following statements:

1) The number of circles that can be drawn through three non-collinear points is infinity.

2) Angle formed in minor segment of a circle is acute.

Which of the above statements is/are correct?

A) 1 only	B) 2 only
C) Both 1 and 2	D) Neither 1 nor 2

Answer & Explanation Answer: D) Neither 1 nor 2

Explanation:

(1)

Only one circle can be drawn through 3 non collinear points

Angle in the minor segment is always obtuse

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

Diversification is important in investing because

A) It ensures that you only make low-risk investments.	B) It helps you to balance your risk across different types of investments.
C) It helps you gain the highest rate of return despite any risks.	D) It increases your overall risk, which guarantees that you will make more money.

Answer & Explanation Answer: B) It helps you to balance your risk across different types of investments.

Explanation:

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

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