Exams


Q:

20 pens and 46 pencils were purchased for Rs. 235. If the average price of a pencil is Rs. 2.50 then calculate the average price (in Rs.) of a pen.

A) 6 B) 4
C) 8 D) 12
 
Answer & Explanation Answer: A) 6

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

Selling price of an article is Rs 27692 and loss percentage is 14%. If the selling price is Rs 37352, then what will be the profit percentage?

A) 13.8 B) 18.6
C) 14 D) 16
 
Answer & Explanation Answer: D) 16

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

On decreasing the price of a fan by 40%, its sales increases by 50%. What will be the percentage increase or decrease in its revenue?

A) 15% increase B) 15% decrease
C) 10% decrease D) 10% increase
 
Answer & Explanation Answer: C) 10% decrease

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Filed Under: Percentage
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Q:

The mammalian heart is myogenic and it is regulated by nerves. The heartbeat originates from

A) sinoatrial node B) QRS wave
C) T wave D) hepatic portal system
 
Answer & Explanation Answer: C) T wave

Explanation:

The mammalian heartis called myogenic (myo = muscle, genie = originating from). It means the heart beat or the activities of the heart are auto regulated which originates from a muscle called nodal tissue.In the human heart,heartbeat originates and contraction is initiated by a special modified heart muscle known as sinoatrial node. It is located in the right atrium; while the QRS waves are the depolarisation of the ventricles, which initiates the ventricular contraction.The T-wave represents the repolarisation,that is, the return of the ventricles from excited tonormal state.Hepatic portal system is the unique vascular connection that exists between the digestive tract and liver. This vein carries blood from intestine to the liver.

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Filed Under: Biology
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Q:

In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.

Mandatory

A) Optional B) Voluntary
C) Essential D) Unnecessary
 
Answer & Explanation Answer: C) Essential

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Filed Under: English
Exam Prep: Bank Exams

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Q:

Two successive discounts of 10% and 20% are equivalent to a single discount of

A) 28% B) 27%
C) 25% D) 30%
 
Answer & Explanation Answer: A) 28%

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Filed Under: Percentage
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Q:

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

 

a state of stunned confusion or bewilderment

 

A) snarl B) maze
C) daze D) paradox
 
Answer & Explanation Answer: C) daze

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Filed Under: English
Exam Prep: Bank Exams

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Q:

Atom bomb discovered by

A) J. Robert Oppenheimer B) Lyndon B. Johnson
C) Felix Adler D) All of the above
 
Answer & Explanation Answer: A) J. Robert Oppenheimer

Explanation:

Julius Robert Oppenheimer was an American theoretical physicist and professor of physics at the University of California, Berkeley. Oppenheimer was the wartime head of the Los Alamos Laboratory and is among those who are credited with being the "father of the atomic bomb" for their role in the Manhattan Project, the World War II undertaking that developed the first nuclear weapons. The first atomic bomb was successfully detonated on July 16, 1945, in the Trinity test in New Mexico.

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Filed Under: General Science
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