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:

Missing letters puzzle

Answer

Answer: U


Explanation:   Starting on the left, and moving along the line to the right, letters follow the alphabetic sequence, in steps of 1,2,3 and then 4, before repeating the sequence.


 

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Q:

The National forest policy aims at maintaining how much of the geographical area under forests

A) Half B) One-third
C) One-fourth D) One-fifth
 
Answer & Explanation Answer: B) One-third

Explanation:
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Filed Under: Indian Economy

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Q:

Sponges are most accurately described as

A) marine predators B) chemoautrophs
C) filter feeders D) freshwater scavengers
 
Answer & Explanation Answer: C) filter feeders

Explanation:
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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
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Q:

Most important weather phenomena occur in the

A) Troposphere B) Stratosphere
C) Ionosphere D) Thermosphere
 
Answer & Explanation Answer: D) Thermosphere

Explanation:

Most important weather phenomena occur in the layer of Thermosphere.

Most of the weather phenomenon occur in the layer of Troposphere.

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

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Q:

Transpiration in plants does helps in which of the following?

 

A) Absorption and upward movement of water B) Absorption and upward movement of minerals dissolved in water  
C) Temperature regulation D) All options are correct
 
Answer & Explanation Answer: D) All options are correct

Explanation:
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Filed Under: General Science
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Q:

The Global Entrepreneurship Summit (GES) 2017 was in ______?

A) Spain B) Hyderabad
C) Newyork D) Beijing
 
Answer & Explanation Answer: B) Hyderabad

Explanation:

The United States of America and the Republic of India are proud to announce the 8th annual Global Entrepreneurship Summit (GES) in Hyderabad, India on 28-30 November, 2017. This year's Summit will highlight the theme Women First, Prosperity for All, and will focus on supporting women entrepreneurs and fostering economic growth globally. Advisor to the President Ivanka Trump will headline the United States delegation to the Summit.

 

GES is the preeminent annual entrepreneurship gathering that convenes emerging entrepreneurs, investors and supporters from around the world. GES 2017 will create an environment that empowers innovators, particularly women, to take their ideas to the next level. Through two and a half days of networking, mentoring, and workshops, GES empowers entrepreneurs to pitch their ideas, build partnerships, secure funding, innovate, and find their target customers --- creating new goods and services that will transform societies.

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

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Q:

Which among the following is/are the unitary feature(s) of Indian Constitution?

 

I. Single Constitution for State and Centre

II. Single Citizenship

III. Integrated Judiciary

 

A) Only I B) Only II
C) Both I and II D) All I, II and III
 
Answer & Explanation Answer: D) All I, II and III

Explanation:
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Filed Under: Indian Politics
Exam Prep: Bank Exams

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