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Q:

Economics is the study of how society manages its

A) Limited resources & limited wants B) Unlimited wants & unlimited resources
C) Limited wants & unlimited resources D) Limited resources & unlimited wants
 
Answer & Explanation Answer: C) Limited wants & unlimited resources

Explanation:

Economics is the study of how society manages its scarce resources i.e, Limited wants & unlimited resources.

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

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Q:

The term photon refers to

A) light ray B) sub atomic particle
C) radiation D) None of the above
 
Answer & Explanation Answer: B) sub atomic particle

Explanation:

The photon is a type of elementary particle, the quantum of the electromagnetic field including electromagnetic radiation such as light, and the force carrier for the electromagnetic force. The photon has zero rest mass and always moves at the speed of light within a vacuum.

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

Which of these best describes genetic drift?

A) Random fluctuations in the gene frequencies within a population Eliminate B) The combining of alleles to create more genetic variations within a population
C) The movement of alleles between population D) A planned method to reduce the number of inferior genes in a population
 
Answer & Explanation Answer: A) Random fluctuations in the gene frequencies within a population Eliminate

Explanation:

Random fluctuations in the gene frequencies within a population Eliminate is the one which best describes genetic drift.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk

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Q:

On selling rice for Rs. 45 per kg, a shopkeeper bears loss of 20%. To earn a profit of 20%, the selling price should be

A) Rs. 67.50 B) Rs. 65
C) Rs. 70 D) Rs. 60
 
Answer & Explanation Answer: A) Rs. 67.50

Explanation:
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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

After repairing a scooter runs at a speed of 54 km/h and before repairing runs at speed of 48 km/h. It covers a certain distance in 6 hours after repairing. How much time will it take to cover the same distance before repairing?

A) 6 hours 15 minutes B) 6 hours 45 minutes
C) 7 hours D) 7 hours 30 minutes
 
Answer & Explanation Answer: B) 6 hours 45 minutes

Explanation:
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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

The Damin-i-Koh was created by the British Government to settle which one of the following communities?

A) Santals B) Mundas
C) Oraons D) Saoras
 
Answer & Explanation Answer: A) Santals

Explanation:

Damini-i-Koh was the land allocated to the Santhals. The Santhals could live on the land and practise plough agriculture, thus helping them to carry out settled agriculture.

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Filed Under: Indian History
Exam Prep: Bank Exams

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Q:

The average of the ages of Rajan and his son is 20. If Rajan's present age is three times the age of his son, then what will be the age of Rajan 5 years from now?

A) 40 years B) 28 years
C) 35 years D) 25 years
 
Answer & Explanation Answer: C) 35 years

Explanation:
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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

The sum of the ages of brother and sister at present is 21. Five years ago the product of their ages was 28. What is the age of the brother and the sister?

A) 9, 12 B) 6, 15
C) 7, 14 D) 8, 13
 
Answer & Explanation Answer: A) 9, 12

Explanation:
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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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