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Q:

Puzzle : Bridge Crossing

Jim, Jeanne, Louis and Anne wants to cross the bridge at night. They have only one torch light with them. Only two can cross the bridge at a time. They need torch light to cross the bridge. Each of them walks at a different speed. Jim needs 1 minute, Jeanne needs 2 minutes, Louis needs 5 minutes and Anne needs 10 minutes. A pair must walk together at the rate of the slower person. How these people can cross the bridge within 17 minutes?

Answer

First Jim and Jeanne walks across the bridge, it takes 2 minutes. 


Jim walks back with the torch light, which takes 1 minute. 


Then Louis and Anne walk on the bridge, which takes 10 minutes.


Jeanne comes back with the torch light, it takes 2 minutes.


Finally Jim and Jeanne walks across the bridge, which takes 2 minutes.


Total = 2 + 1 + 10 + 2 + 2 = 17 minutes

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Subject: Math Puzzles

17 7626
Q:

Which of the following Harappan sites was not located in Gujarat?

 

A) Lothal B) Daimabad
C) Surkotda D) Dholavira
 
Answer & Explanation Answer: B) Daimabad

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Filed Under: Indian History
Exam Prep: Bank Exams

2 7623
Q:

Which statement about the Supreme Court is true?

A) The court hears all cases for which two or more justices agree that the case has merit. B) The court decides which cases it will hear. In deciding cases, the chief justice’s vote counts as two votes.
C) Every case appealed to the Supreme Court is ruled upon by the court. D) The court can hear only cases that have worked their way up from local courts.
 
Answer & Explanation Answer: B) The court decides which cases it will hear. In deciding cases, the chief justice’s vote counts as two votes.

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Filed Under: Indian Politics
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

5 7616
Q:

Improve the bracketed part of the sentence.

 

You can play video games and paint or (draw) from anywhere.

 

A) be drawing B) can draw
C) could draw D) no improvement
 
Answer & Explanation Answer: D) no improvement

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Filed Under: English
Exam Prep: Bank Exams

0 7614
Q:

Highest Bajra producing state in India?

A) Rajasthan B) Gujarat
C) Uttar Pradesh D) Haryana
 
Answer & Explanation Answer: A) Rajasthan

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Filed Under: Indian Geography
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

15 7609
Q:

Who amongst the following is a famous Sarod player

A) Zakir Hussain B) Hari Prasad Chourasia
C) Ram Narain D) Amjad Ali Khan
 
Answer & Explanation Answer: D) Amjad Ali Khan

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Filed Under: Famous Personalities

6 7607
Q:

Which of the following pairs is mismatched? 

A) Hooke - cell theory B) van Leeuwenhoek - germ theory
C) Lister - aseptic surgery D) Jenner - vaccines
 
Answer & Explanation Answer: B) van Leeuwenhoek - germ theory

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk

16 7604
Q:

Which is the highest form of unemployment in India?

A) seasonal B) structural
C) cyclical D) casual
 
Answer & Explanation Answer: B) structural

Explanation:

Basically India's unemployment is structural in nature. It is associated with the inadequacy of the productive capacity to create enough jobs for all those able and willing in india. Not only is the productive capacity  (largely capital stock) much below the needed quantity, it is also found to be increasing at a slow rate. As against this, additions to labour force are being made at a fast rate on account of rapidly rising population. Thus, the absolute level of unemployed persons is rising every year. 

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Filed Under: Indian Economy

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