General Knowledge Questions

Q:

A copper wire of radius r and length lhas a resistance of R. A second copper wire with radius 2r and length lis taken and the two wires  are  joined  in  a  parallel  combination. The  resultant  resistance   of  the  parallel combination of the two wires will be

A) 5 R B) 5 R/4
C) 4 R/5 D) R/5
 
Answer & Explanation Answer: D) R/5

Explanation:

1st copper wire: R = pl/A = pl/ πr2

2ndcopper wire: R’ = p’l’/A’ = pl/(4 πr2) = R/4

If joined in parallel, (1/Req) = (1/R) + (1/R’)

= 1/R + 4/R1/Req= 5/R

Req= R/5

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

What is the total population of India in crores according to 2001 Census

A) 68 B) 84
C) 94 D) 102.70
 
Answer & Explanation Answer: D) 102.70

Explanation:
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Filed Under: Indian Economy

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Q:

Which is first city in the world to get its own Microsoft font in 2017 ?

A) India B) Iran
C) Dubai D) Iraq
 
Answer & Explanation Answer: C) Dubai

Explanation:

Dubai has become the first city in the world to get its own Microsoft font.

ii. Sheikh Hamdan bin Mohammed bin Rashid Al Maktoum, Dubai's Crown Prince and Chairman of the Executive Council, launched the Dubai Font recently.

iii. The font, available in three styles as 'Dubai', 'Dubai Medium' and 'Dubai Light', can be in italics, underlined and bold.

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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

2 3401
Q:

Conductivity in a metal results from the metal atoms having

A) highly mobile electrons in the valence shell B) high electronegativity
C) high ionization energy D) highly mobile protons in the nucleus
 
Answer & Explanation Answer: A) highly mobile electrons in the valence shell

Explanation:

The outer most electrons that are free to move are called valency electrons that are responsible for the conductivity in the metal atoms.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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1 3400
Q:

Yoga city in India?

A) Varanasi B) Allahabad
C) Rishikesh D) Amritsar
 
Answer & Explanation Answer: C) Rishikesh

Explanation:

Rishikesh is a city in India’s northern state of Uttarakhand. As the city is renowned as a center for studying yoga and meditation it is called as Yoga city in India.

 

Yoga_city_in_india_-_Rishikesh1561462362.jpg image

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Filed Under: Indian Geography
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16 3399
Q:

Browning of paper in old books is caused by

A) oxidation of cellulose B) collection of dust
C) frequent use D) lack of aeration
 
Answer & Explanation Answer: A) oxidation of cellulose

Explanation:
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Filed Under: Chemistry
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1 3398
Q:

Infection of salivary glands by a virus leads to 

A) tetanus B) mumps
C) pyorrhoea D) ulcers
 
Answer & Explanation Answer: B) mumps

Explanation:

Mumps : This is a swelling caused by information of parotid glands placed in front of our ear region. The inflammation is caused by a virus.

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Filed Under: Biology

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Q:

What kind of fermented juice, made of spirits, sugar and hot water takes its name from the Hindustani word palm tree?

Answer

Toddy

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