Q:

α and β are the roots of the quadratic equation $x^{2} - x - 1 = 0$ . What is the value of $α^{8} + β^{8}$ ?

A) 47	B) 54
C) 59	D) 68

Answer & Explanation Answer: A) 47

Explanation:

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

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Q:

In the names Mangifera indica (mango), Solanum tuberosum (potato) and Panthera leo (lion), what does the three names, indica, tuberosum and leo, represent?

A) Binomial Nomenclature	B) Taxonomic Hierarchy
C) Identification	D) Specific Epithet

Answer & Explanation Answer: D) Specific Epithet

Explanation:

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Filed Under: General Science
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Q:

HEPA filters are used to remove microbes from

A) human tissues	B) air
C) medical instruments	D) liquids

Answer & Explanation Answer: B) air

Explanation:

High-efficiency particulate air (HEPA), also known as high-efficiency particulate absorbing and high-efficiency particulate arrestance, is an efficiency standard of air filter.

hepa-filters1596516018.png image

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Filed Under: Physics
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Q:

According to Malthusian theory of population

A) Population increases in geometric ratio, food supply	B) Population increases in arithmetic ratio, food supply increases in geometric ratio
C) Population increases in a harmonic mean, food supply increases in geometric ratio	D) Population increases in a harmonic ratio, food supply increases in a arithmetic ratio

Answer & Explanation Answer: A) Population increases in geometric ratio, food supply

Explanation:

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Filed Under: General Awareness
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Q:

The Ministry of Power, Government of India has recently constituted a Committee to investigate the causes of the accident that occurred on 1stNovember, 2017 at Feroze Gandhi Thermal Power Plant Ltd., Unchahar, in Uttar Pradesh. Who among the following is the Chairman of the Committee?

A) Dr. L. D. Papney	B) Shri Dhawal Prakash Antapurkar
C) Shri Subir Chakraborty	D) Shri P. Siwal

Answer & Explanation Answer: D) Shri P. Siwal

Explanation:

Power Ministry constitutes a Committee to investigate into the causes of the NTPC, Unchahar Thermal Power Plant accident

The composition of the committee would be as follows:

Name Position

Shri P.D. Siwal, Member (Thermal), CEA Chairman

Shri Subir Chakraborty,Director (Projects), UPRVUNL Member

Shri Dhawal Prakash Antapurkar,Director of Steam Boilers, Maharashtra Member

Dr. L.D. Papney,Chief Engoneer, (TE&TD), CEA Member & Convenor

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Filed Under: General Awareness
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Q:

__________ (HHDD) is a technology where the conventional disk drive is combined with non-volatile flash memory, of typically 128 MB or more to cache data during normal use.

A) Hyper Hard Disk Drive	B) Hybrid Hard Disk Drive
C) Hybrid Helium Disk Drive	D) Hyper Helium Disk Drive

Answer & Explanation Answer: B) Hybrid Hard Disk Drive

Explanation:

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Filed Under: Computer
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Q:

The size of yes no field is always

A) 1 byte	B) 1 character
C) 1GB	D) 1 bit

Answer & Explanation Answer: D) 1 bit

Explanation:

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Filed Under: Computer
Exam Prep: Bank Exams

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Q:

Find the power of a convex lens if the image formed is at a distance of 20 cm from the lens when the object is placed on the other side of the lens at 25 cm from the optical centre?

A) 1 diopters	B) -9 diopters
C) 9 diopters	D) -1 diopters

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