Q:

The radius of curvature of a concave mirror is 30 cm. Following Cartesian Sign Convention, its focal length is expressed as

A) -30 cm	B) -15 cm
C) +30 cm	D) +15 cm

Answer & Explanation Answer: B) -15 cm

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

Sri Lanka on 9 December, 2017 formally handed over the control of the southern deep sea port of Hambantota to which country for 99 year lease?

A) India	B) Pakistan
C) China	D) Japan

Answer & Explanation Answer: C) China

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Filed Under: General Awareness
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Q:

When does solar eclipse take place ?

A) When the sun is between the moon and earth	B) When the earth is between the moon and sun
C) When the moon is between the sun and earth	D) When the moon does not lie on the line joining the sun and earth

Answer & Explanation Answer: C) When the moon is between the sun and earth

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Filed Under: General Science
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Q:

Which cloud is a cloud computing environment that uses amix of on-premises, private cloud and third-party, publiccloud services with orchestration between the two platformsand it is particularly valuable for dynamic or highlychangeable workloads?

A) Dynamic Cloud	B) Advance Cloud
C) Hybrid Cloud	D) Sharing Cloud

Answer & Explanation Answer: C) Hybrid Cloud

Explanation:

Hybrid cloud is a cloud computing environment whichuses a mix of on-premises, private cloud and third-party, public cloud services with orchestration betweenthe two platforms. By using a Hybrid approach,companies can maintain control of an internallymanaged private cloud while relying on the publiccloud as needed

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Filed Under: Computer
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Q:

The instrument that measures the ______________ is called an anemometer.

A) wind speed	B) pressure
C) humidity	D) rainfall

Answer & Explanation Answer: A) wind speed

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Filed Under: Physics
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Q:

Communist Party of India was founded in _____.

A) 1835	B) 1885
C) 1925	D) 1964

Answer & Explanation Answer: C) 1925

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Filed Under: Indian Politics
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Q:

$If {(x - \frac{1}{3})}^{2} + {(y - 4)}^{2} = 0, then the value of \frac{y + x}{y - x} ?$

A) 11/13	B) 13/11
C) 16/9	D) 9/16

Answer & Explanation Answer: B) 13/11

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

The surface area of a sphere is 1386 $c m^{2}$ . Find its diameter (in cm)

A) 10.5	B) 42
C) 21	D) 31.5

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