Questions

Q:

The United Nations declared 2006 as the International year of

A) Deserts and Desertification B) World population
C) Communication D) Elderly persons
 
Answer & Explanation Answer: A) Deserts and Desertification

Explanation:
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Filed Under: World Organisations

30 10311
Q:

Which organization has the motto 'Be prepared'?

Answer

The Boy Scouts

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69 10304
Q:

The rotational effect of a force on a body about an axis of rotation is described in terms of

A) Centre of gravity B) Centripetal force
C) Centrifugal force D) Moment of force
 
Answer & Explanation Answer: D) Moment of force

Explanation:
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Filed Under: Physics

29 10300
Q:

Rearrange the parts of the sentence in correct order.

Their judgment can be

P-easily swayed by false
Q-propaganda, as is being done
R-right now across the country

A) QRP B) RPQ
C) PRQ D) PQR
 
Answer & Explanation Answer: D) PQR

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

0 10298
Q:

In which decade was the Internet first implemented?

A) 1940s B) 1960s
C) 1970s D) 1980s
 
Answer & Explanation Answer: B) 1960s

Explanation:
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Filed Under: Inventions

17 10289
Q:

The word Aryan means

A) of good family B) Cultivator
C) Pastoral Society D) Brahmachari
 
Answer & Explanation Answer: A) of good family

Explanation:

Aryans_means1532504980.jpg image

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

8 10289
Q:

Computer networks constituting the internet are connected by telephones, underwater cables and _____________

 

A) e-mail B) e-books
C) Public telephone booths D) Satellites
 
Answer & Explanation Answer: D) Satellites

Explanation:
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Filed Under: Computer
Exam Prep: Bank Exams

2 10281
Q:

Find the appropriate relation for quantity 1 and quantity 2 in the following question:

 

An artificial kund is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the kund at the same time during which the kund is filled by the third pipe alone. The second pipe fills the kund 5 hours faster than the first pipe and 4 hours slower than the third pipe.

Quantity 1: The time required by the first pipe?

Quantity 2: Time taken by all three pipes to fill the Kund simultaneously

A) Quantity 1 > Quantity 2 B) Quantity 1 ≥ Quantity 2
C) Quantity 1 < Quantity 2 D) Quantity 1 ≤ Quantity 2
 
Answer & Explanation Answer: A) Quantity 1 > Quantity 2

Explanation:

Quantity 1:
Let the first pipe alone takes x hours to fill the
tank.
⇒The second and third pipes will take (x-5) and
(x-9) hours respectively.
According to the given information:
∴ 1x-9

⇒ (x-9)(2x-5) = x2 – 5x
⇒ 2x2 – 5x – 18x + 45 = x2 – 5x
⇒ x
2 -18x + 45 = 0
⇒ (x-15) (x-3) = 0
⇒ x = 15, 3

The first pipe can take 15 hours to fill the kund.
∵ 3 hours doesn’t satisfy the statement.
Quantity 2:
∴ Time taken by second pipe = x-5
⇒ Time taken by second pipe = 15-5 = 10hours
∴ Time taken by third pipe = x -9
⇒ Time taken by third pipe = 15- 9 = 6 hours
Now,

Net part filled in 1 hour = 115+110+16
⇒ Net part filled in 1 hour = 4+6+1060
⇒Net part filled in 1 hour = 2060=13
∴The Kund will be full in 3/1 hours if all the pipes are opened simultaneously
Now, comparing
15 > 3
Thus, Quantity 1 > quantity 2

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