Questions

Q:

How many years can a cat live up to?

A) 12 B) 20
C) 35 D) 87
 
Answer & Explanation Answer: B) 20

Explanation:
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Filed Under: Animals and Birds

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Q:

 Which of the following occurs when a transaction rereads data it has previously read and finds modification or deletions caused by a committed transaction?

A) Nonrepeatable read B) Phantom read
C) Dirty read D) Consistent read
 
Answer & Explanation Answer: A) Nonrepeatable read

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Filed Under: Database

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Q:

If length of a rectangle is decreased by 6 cm we get a square and the area of square formed is 252 cm2 less than the area of square formed when breadth of the original rectangle is increased by 6 cm. Find the perimeter of the rectangle.

A) 66 cm B) 88 cm
C) 80 cm D) 72 cm
 
Answer & Explanation Answer:

Explanation:

Let length and breadth of rectangle be L cm
and B cm respectively So, ATQ
Area1= (L-6)×B
But this is square, so L-6=B
Area1= (L-6) × (L-6)
Case 2, Area2= L × (B+6),
L=B+6
So, Area2= L × L,
Given, Area2-Area1= 252(L)2-(L-6)2=252
Solving this, L= 24
B= 18
Perimeter= 2(L+B)= 2(24+18)= 84 cm

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Q:

Lady Ratan Tata Trophy' is related to which game?

A) Basketball B) Hockey
C) Kho-Kho D) Cricket
 
Answer & Explanation Answer: B) Hockey

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Filed Under: Sports
Exam Prep: Bank Exams

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Q:

When one enters a dark room after being in bright light one is not able to see anything clearly for a while because 

A) the retina of the eye moves forward B) the retina of the eye moves backward
C) the iris is unable to dilate the pupil immediately to be able to see things D) the eye has no power of accommodation
 
Answer & Explanation Answer: C) the iris is unable to dilate the pupil immediately to be able to see things

Explanation:

The size of the pupil of the automatically adjusts itself according to the intensity of light passing through it; if the intensity is more, the size is less, if less, it is more. So in our case the pupil should dilate i.e , increase in size to be able to see in the dark. This switchover takes some time. But here the entry into the dark room is immediate. So the eye has no time to adjust itself and hence is not able to see at all for a while. 

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Filed Under: Physics

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Q:

As per Census 2001, among the following hill states of India, which one has the highest literacy rate

A) Arunachal Pradesh B) Himachal Pradesh
C) Sikkim D) Uttarakhand
 
Answer & Explanation Answer: B) Himachal Pradesh

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Filed Under: Indian Economy

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Q:

The Africa fund is for

A) helping the African States to control famine B) helping African sportsman
C) helping the front line states in their fights against apartheid D) controlling population growth in Africa
 
Answer & Explanation Answer: C) helping the front line states in their fights against apartheid

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Filed Under: World Organisations

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Q:

Which day is observed as World Food Day?

A) September 10 B) August 16
C) November 4 D) October 16
 
Answer & Explanation Answer: D) October 16

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