Free Practice Questions for Competitive Exams, Interviews, Certifications

Q:

Consider two-digit numbers which remain the same when the digits interchange their positions. What is the average of such two-digit numbers?

A) 33	B) 44
C) 55	D) 66

Answer & Explanation Answer: C) 55

Explanation:

All such 2 digit numbers are 11,22,33,44....... upto 99

Forms an AP

So sum = n/2(a+l)

= 9/2(11+99)

Average = sum/9 = ½(11+99) = 55

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Filed Under: Numbers - Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

0 821

Q:

Select the related word/letters/number from the given alternatives.
Frog : Amphibian : : Cobra : ?

A) Insect	B) Protozoa
C) Parasite	D) Reptiles

Answer & Explanation Answer: D) Reptiles

Explanation:

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Filed Under: Verbal Reasoning - Mental Ability
Exam Prep: Bank Exams

1 821

Q:

_____changes each time it is installed to avoid detection by antivirus software.

A) Polymorphic virus	B) worm
C) logic bomb	D) trojan horse

Answer & Explanation Answer: A) Polymorphic virus

Explanation:

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Filed Under: Computer
Exam Prep: Bank Exams

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Q:

A can finish a work in 7 days . B can finish the same work in 9 days . The days required to finish the work by both of them together.

A) 31/16	B) 47/16
C) 63/16	D) 79/16

Answer & Explanation Answer: C) 63/16

Explanation:

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Filed Under: Time and Work - Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

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Q:

If √3 = 1.732, then the value of $\frac{9 + 2 \sqrt{3}}{\sqrt{3}}$ ?

A) 7.169	B) 7.196
C) 5.198	D) 7.296

Answer & Explanation Answer: B) 7.196

Explanation:

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Filed Under: Simplification - Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

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Q:

The value of ${cosec}^{2} 60 + \sec^{2} 60 \cot^{2} 60 + \tan^{2} 30$ will be

A) 5	B) 5 1/2
C) 5 1/3	D) 5 2/3

Answer & Explanation Answer: C) 5 1/3

Explanation:

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Filed Under: Simplification - Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

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Q:

CPU Scheduler is also known as _____ .

A) Job Scheduler	B) Resource Scheduler
C) Short-term Scheduler	D) Process Scheduler

Answer & Explanation Answer: C) Short-term Scheduler

Explanation:

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Filed Under: Computer
Exam Prep: Bank Exams

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Q:

"Tsunami" is the name given to which of the following?

A) Earthquake	B) Cyclone
C) Tidal Waves	D) Undersea Waves

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