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Q:

Which among following first generation of computers ?

A) Integrated Circuits B) Magnetic Tape and Transistors
C) Vaccum Tubes and Magnetic Drum D) All of above
 
Answer & Explanation Answer: C) Vaccum Tubes and Magnetic Drum

Explanation:

First Generation  Vacuum Tubes (1940-1956)

The first computer systems used vacuum tubes for circuitry and magnetic drums for memory

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Filed Under: General Awareness
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Q:

Which team did Sachin Tendulkar paly for in the Ranji Trophy when he made his debut in first class cricket

A) Karnataka B) Delhi
C) Mumbai D) kerala
 
Answer & Explanation Answer: C) Mumbai

Explanation:
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Q:

By June 2014,Who among the following is the highest wicket taker of India in test cricket ?

A) Harbhajan Singh B) Anil Kumble
C) Kapil Dev D) Zaheer Khan
 
Answer & Explanation Answer: B) Anil Kumble

Explanation:
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Q:

Heat is associated with

A) K.E of random motion of molecules B) K.E of orderly motion of molecules
C) Total K.E of random and orderly motion of molecules D) None of these
 
Answer & Explanation Answer: A) K.E of random motion of molecules

Explanation:
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Q:

Which country is hosting the International Diamond Conference "Mines to Market 2017" ? 

A) India B) South Africa
C) Namibia D) Japan
 
Answer & Explanation Answer: A) India

Explanation:
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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:

Alum is used 

A) as an analgesic B) in the purification of water
C) as a fertilizer D) as a disinfectant
 
Answer & Explanation Answer: B) in the purification of water

Explanation:

Alum is a common alum, potassium aluminum sulphate K2SO4.Al2SO43.24H2O which makes colloidally suspended impurities in water such as clay to settle down.

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Filed Under: Chemistry
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Q:

Animal migration on savannas is often governed by

A) Rainfall B) Distance
C) Reproduction D) Fire
 
Answer & Explanation Answer: A) Rainfall

Explanation:

Savannas are home to a wide diversity of animals.

Many animals of the savanna migrate throughout the year, searching for food and water. Many of the droughts are seasonal and hit one area before another, so animals are constantly following the rains.

 

Hence, Rain fall is what often governs animal migration on savannas.

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Filed Under: World Geography
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