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Q:

1/(tanA + cotA) is equal to

A) (cosecA + sinA)(secA - cosA) B) √[(cosecA - sinA)(secA - cosA)]
C) √[(cosecA + sinA)(secA - cosA)] D) (cosecA - sinA)(secA - cosA)
 
Answer & Explanation Answer: D) (cosecA - sinA)(secA - cosA)

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Graphite is a good conductor of electricity.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

Graphite is a good conductor of electricity as it contains free electrons to move through the structure of the graphite.

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Subject: Physics
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

B would have taken 10 hours more than what A would have taken to complete a task if each of them worked alone. Working together they can complete the task in 12 hours. How many hours would B take to do 50% of the task?

A) 30 B) 15
C) 20 D) 10
 
Answer & Explanation Answer: B) 15

Explanation:
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Filed Under: Time and Work
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Q:

Which Country hosted the 10th edition of BRICS Summit 2018?

A) Brazil B) South Africa
C) India D) Russia
 
Answer & Explanation Answer: B) South Africa

Explanation:

South Africa hosted the 10th edition of BRICS Summit 2018 in Johannesburg on July 25. 

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Filed Under: General Awareness
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Q:

Which statement about ultrabook computers is false?

A) Ultrabooks typically weigh less than 3 pounds B) Ultrabooks have the fastest optical drives
C) Ultrabooks do not offer HDMI video output ports D) Utrabooks are equipped with SSD drives for fast start-up
 
Answer & Explanation Answer: B) Ultrabooks have the fastest optical drives

Explanation:

Ultrabooks have the fastest optical drives is the only false statement regarding ultrabooks.

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Filed Under: Computer
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Q:

Which statement correctly describes the role of chance in evolution?

A) An allele that increases evolutionary fitness cannot be lost from a population by chance events. B) The ultimate source of new alleles is mutation, random changes in the nucleotide sequences of an organism's DNA
C) Evolutionary change proceeds by an accumulation of changes that occur by chance. D) None of the above
 
Answer & Explanation Answer: B) The ultimate source of new alleles is mutation, random changes in the nucleotide sequences of an organism's DNA

Explanation:
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Filed Under: Biology
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Q:

Permanent hardness of water may be removed by the addition of

A) Alum B) Lime
C) Sodium Carbonate D) Potassium Permanganate
 
Answer & Explanation Answer: C) Sodium Carbonate

Explanation:

Permanent hardness of water may be removed by the addition of Sodium Carbonate.

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Filed Under: Chemistry
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Q:

Which is the first national park established in India?

A) Kanha National Park B) Keoladeo National Park
C) Jim Corbett National Park D) Jaldapara National Park
 
Answer & Explanation Answer: C) Jim Corbett National Park

Explanation:

Which_is_the_first_national_park_established_in_India1559301595.jpg image

Jim Corbett National Park is the oldest national park in India and was established in 1936 as Hailey National Park to protect the endangered Bengal tiger. It is located in Nainital district of Uttarakhand and was named after Jim Corbett, a well known hunter and naturalist. The park was the first to come under the Project Tiger initiative.

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Filed Under: Indian Geography
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