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Q:

The fact that two large ships travelling on close parallel courses in the same direction tend to move towards each other can be explained by

A) Bernoulli's principle B) Magnetic properties of the ship's material
C) Newton's third law of motion D) Earth's gravitational force
 
Answer & Explanation Answer: A) Bernoulli's principle

Explanation:

The rapid flow of air between the two moving ships causes a reducton of pressure (Bernoulli's principle) , so they (the ships) are drawn closer together

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Filed Under: Physics

Q:

A capillary tube is partially dipped vertically in a vessel containing water. Due to capillarity water rises in the tube. The height of water rise in the tube can be increased by 

A) decreasing the radius of the capillary tube B) increasing the radius of the capillary tube
C) increasing the height of water in the vessel D) None of these
 
Answer & Explanation Answer: A) decreasing the radius of the capillary tube

Explanation:

The water rise in a capillary tube dipped in water is such that the weight of water in the tube above the surface of water in the vessel is equal to  the upward force due to surface tension. So it is clear that if the bore to the tube is decreased , the height of the water column in it  must be greater.

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Filed Under: Physics

Q:

Who is the Emancipator of the 'untouchables' and crusader for social Justice?

Answer

B.R. Ambedkar

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Subject: Famous Personalities

Q:

In ancient Greek city states the central district would be built on a hilltop and it would contain the chief municipal and religious buildings . What was this place called?

Answer

Acropolis

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Subject: General Awareness

Q:

The name of ancient Egyptian script is ________

A) Cuneiform B) Hieroglyphic
C) Demotic D) There was no script
 
Answer & Explanation Answer: B) Hieroglyphic

Explanation:

The Egyptian scripts is known as Hieroglyphic which means 'sacred writing' . It consisted of 24 signs, each of which stood for a single consonant. Vowels were not written. Later the Egyptian started using symbols for ideas and the total number of signs rose to about 500. The writers, who constituted an important section of society , wrote with reed pens on the leaves of a plant called 'Papyrus' from which we get the word 'paper'.

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Filed Under: World History

Q:

The term _____ designates equipment that might be added to a computer system to enhance its functionality

A) digital device B) system add-on
C) disk pack D) peripheral device
 
Answer & Explanation Answer: D) peripheral device

Explanation:
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Filed Under: Computer
Exam Prep: Bank Exams
Job Role: Bank PO

Q:

Microcomputer hardware consists of three basic categories of physical equipment ____

A) Keyboard, monitor, hard drive B) system unit, input/output, memory
C) system unit, input/output, secondary storage D) system unit, primary storage, secondary storage
 
Answer & Explanation Answer: C) system unit, input/output, secondary storage

Explanation:
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Filed Under: Computer
Exam Prep: Bank Exams

Q:

Three of the following four pairs of alphas and numerals have same relationship between their elements as in the case of the pair PROBLEM : 2948375 and hence form a group. Which one does not belong to the group?

A) BORE : 8497 B) MOEP : 5972
C) LBOR : 3849 D) OMEP : 4572
 
Answer & Explanation Answer: B) MOEP : 5972

Explanation:

Here simple coding language has been used. Each letter has been assigned a numeric code and the respective code of letters are in the same order as the letters. 

 

Letter      B  E  L  M  O  P  R

 

Code         8  7  3  5  4  2  9

 

 

 BORE -> 8497 -- correct

 MOEP -> 5472 But given 5972 --- Incorrect

 LBOR -> 3849  -- correct

OMEP -> 4572  -- correct

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