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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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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE

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Q:

Excess of fat in the body is stored in

A) Adipose tissue B) Acrosome
C) Erythrocytes D) Bone marrow
 
Answer & Explanation Answer: A) Adipose tissue

Explanation:
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Filed Under: Biology

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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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Filed Under: General Awareness
Exam Prep: Bank Exams

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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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Filed Under: Sports

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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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Filed Under: Sports

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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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Filed Under: Physics

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Q:

Radian is used to measure

A) Temperature B) Intensity of Flame
C) Angle D) Solid Angle
 
Answer & Explanation Answer: C) Angle

Explanation:

Kelvin is used to measure Temperature,

Candela is used to measure Intensity of flame,

Steredian is used to measure Solid Angle.

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Filed Under: Physics

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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
Exam Prep: AIEEE

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