Q:

The base of an electric iron is brightly polished mainly

A) to make it smooth and frictionless	B) to make it rust-proof
C) to reduce heat loss by radiation	D) to make it more durable

Answer & Explanation Answer: C) to reduce heat loss by radiation

Explanation:

Polished surfaces are poor radiators of heat. So loss of heat on that account is reduced and the electric iron remains hotter than otherwise.

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Filed Under: Physics

44 13677

Q:

If a sum of money at simple interest doubles in 6 years, it will become 4 times in

A) 15years	B) 16years
C) 17years	D) 18years

Answer & Explanation Answer: D) 18years

Explanation:

let sum =x . s.i.=x

rate =(100*x)/(x*6)=50/3%

now ,sum =x, s.i= 3x, rate =50/3%

time =(100*3x)/(x*50/3) = 18 years

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

11 13677

Q:

Kanha National Park belongs to which one among the following biogeographical areas in the world?

A) Tropical Sub-humid Forests	B) Tropical Humid Forests
C) Trophical Dry Forests	D) Trophical Moist Forests

Answer & Explanation Answer: C) Trophical Dry Forests

Explanation:

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Filed Under: Indian Geography

44 13666

Q:

The working of the quartz crystal in the watch is based on the

A) Piezo - electric Effect	B) Edison Effect
C) Photoelectric Effect	D) Johnson Effect

Answer & Explanation Answer: A) Piezo - electric Effect

Explanation:

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Filed Under: Physics

39 13645

Q:

A bird which lays only one egg in two years is the

Answer

Albatross

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Subject: Animals and Birds

101 13628

Q:

The credit for the discovery of transuranic element goes to

A) Hahn	B) Rutherford
C) Seaborg	D) Curie

Answer & Explanation Answer: C) Seaborg

Explanation:

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Filed Under: Chemistry

34 13610

Q:

Panchayatiraj form of rural government was first adopted by

A) Rajasthan & Madhya Pradesh	B) Rajasthan & West Bengal
C) Rajasthan & Andhra Pradesh	D) Rajasthan & Uttar Pradesh

Answer & Explanation Answer: C) Rajasthan & Andhra Pradesh

Explanation:

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Filed Under: General Awareness

72 13609

Q:

The theory which advocates that living beings can arise only from other living beings is termed

A) Bio-genesis	B) Abiogenesis
C) Catastrophism	D) Cosmozoic

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