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Q:

If a sum of money at simple interest doubles in 6 years, it will become  4 times in

A) 15years B) 16years
C) 17years D) 18years
 
Answer & Explanation Answer: D) 18years

Explanation:

 

 

 

 

 

 

let sum =x . s.i.=x

 

 

 

rate =(100*x)/(x*6)=50/3%

 

 

 

now ,sum =x, s.i= 3x, rate =50/3%

 

 

 

time =(100*3x)/(x*50/3) = 18 years

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams
Job Role: Bank PO

11 13676
Q:

Kanha National Park belongs to which one among the following biogeographical areas in the world?

A) Tropical Sub-humid Forests B) Tropical Humid Forests
C) Trophical Dry Forests D) Trophical Moist Forests
 
Answer & Explanation Answer: C) Trophical Dry Forests

Explanation:
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Filed Under: Indian Geography

44 13666
Q:

The primitive atmosphere was reducing because:

 

A) Hydrogen atoms were few B) Hydrogen atoms were active and in greater numbers
C) Oxygen atoms were more D) Nitrogen atoms were more
 
Answer & Explanation Answer: B) Hydrogen atoms were active and in greater numbers

Explanation:
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Filed Under: Verbal Reasoning - Mental Ability
Exam Prep: Bank Exams

0 13653
Q:

The working of the quartz crystal in the watch is based on the

A) Piezo - electric Effect B) Edison Effect
C) Photoelectric Effect D) Johnson Effect
 
Answer & Explanation Answer: A) Piezo - electric Effect

Explanation:
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Filed Under: Physics

39 13645
Q:

A bird which lays only one egg in two years is the

Answer

Albatross

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Subject: Animals and Birds

101 13628
Q:

The credit for the discovery of transuranic element goes to

A) Hahn B) Rutherford
C) Seaborg D) Curie
 
Answer & Explanation Answer: C) Seaborg

Explanation:
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Filed Under: Chemistry

34 13610
Q:

Panchayatiraj form of rural government was first adopted by 

A) Rajasthan & Madhya Pradesh B) Rajasthan & West Bengal
C) Rajasthan & Andhra Pradesh D) Rajasthan & Uttar Pradesh
 
Answer & Explanation Answer: C) Rajasthan & Andhra Pradesh

Explanation:
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Filed Under: General Awareness

72 13607
Q:

The theory which advocates that living beings can arise only from other living beings is termed

A) Bio-genesis B) Abiogenesis
C) Catastrophism D) Cosmozoic
 
Answer & Explanation Answer: A) Bio-genesis

Explanation:
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Filed Under: General Science

48 13607