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Q:

Two pipes A and B can separately fill a cistern in 60 min and 75 min respectively. There is a third pipe in the bottom of the cistern to empty it. If all the three pipes are simultaneously opened, then the cistern is full in 50 min. In how much time, the third pipe alone can empty the cistern ?

A) 85 min B) 95 min
C) 105 min D) 100 min
 
Answer & Explanation Answer: D) 100 min

Explanation:

Work done by the third pipe in 1 min = 1/50 - (1/60 + 1/75) = - 1/100.
[-ve sign means emptying]

The third pipe alone can empty the cistern in 100 min.

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Filed Under: Pipes and Cistern
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

Q:

A mixture of 150 liters of wine and water contains 20% water. How much more water should be added so that water becomes 25% of the new mixture ?

A) 5 lit B) 10 lit
C) 15 lit D) 20 lit
 
Answer & Explanation Answer: B) 10 lit

Explanation:

Number of liters of water in 150 liters of the mixture = 20% of 150 = 20/100 x 150 = 30 liters.
P liters of water added to the mixture to make water 25% of the new mixture.
Total amount of water becomes (30 + P) and total volume of mixture is (150 + P).
(30 + P) = 25/100 x (150 + P)
120 + 4P = 150 + P => P = 10 liters.

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Filed Under: Alligation or Mixture
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

Q:

Find the one which does not belong to that group ?

A) Kidneys B) Eyes
C) Fingers D) Lungs
 
Answer & Explanation Answer: C) Fingers

Explanation:

All are organs of our body which are in pairs except fingers.

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Filed Under: Analogy
Exam Prep: AIEEE , Bank Exams , CAT , GRE , TOEFL
Job Role: Bank Clerk , Bank PO

Q:

World Intellectual Property Day (WIP) is observed on which date ?

A) 27 April B) 24 April
C) 25 April D) 26 April
 
Answer & Explanation Answer: D) 26 April

Explanation:

26th April; Theme for the year 2017: "Innovation – Improving Lives".

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Filed Under: Important Days and Years
Exam Prep: Bank Exams
Job Role: Bank Clerk

Q:

Which state in India is set to become the first state to invite all Twitter and Facebook users to interact with the Chief Minister and contribute towards improving various services  ?

A) Chattisgarh B) Punjab
C) Karnataka D) Haryana
 
Answer & Explanation Answer: D) Haryana

Explanation:

Haryana is poised to become the first state to invite all Twitter and Facebook users to interact with the Chief Minister Manohar Lal and contribute towards further improving various services being provided by different departments.

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Filed Under: Famous Places
Exam Prep: Bank Exams , CAT
Job Role: Bank Clerk

Q:

Which country has become the first country to open honorary consulate office in Gujarat International Finance Tec-City (GIFT City) ? 

A) France B) Portugal
C) Spain D) Belgium
 
Answer & Explanation Answer: D) Belgium

Explanation:

Belgium has become the first country to open an honorary consulate office in Gujarat International Finance Tec-City (GIFT City).

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

Q:

Explain what is injector ?

Answer

1.  An injector is a service locator.
2.  It is used to retrieve object instances as defined by provider, instantiate types, invoke methods and load modules.
3. There is a single injector per Angular application, it helps to look up an object instance by its name.

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Subject: Web Technology
Job Role: Analyst , Database Administration , IT Trainer

Q:

A watch gains 5 seconds in 3 minutes and was set right at 8 AM. What time will it show at 10 PM on the same day ?

A) 10 : 27 : 41 AM B) 8 : 51 : 04 AM
C) 9 : 45 : 15 PM D) 10 : 23 : 20 PM
 
Answer & Explanation Answer: D) 10 : 23 : 20 PM

Explanation:

The watch gains 5 seconds in 3 minutes = 100 seconds in 1 hour.

From 8 AM to 10 PM on the same day, time passed is 14 hours.

In 14 hours, the watch would have gained 1400 seconds or 23 minutes 20 seconds.

So, when the correct time is 10 PM, the watch would show 10 : 23 : 20 PM

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Filed Under: Clocks
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO