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Q:

What is the value of $100 P_{2}$ ?

A) 10000	B) 9900
C) 8900	D) 7900

Answer & Explanation Answer: B) 9900

Explanation:

Here in 100P2, P says that permutations and is defined as in how many ways 2 objects can be selected from 100 and can be arranged.

That can be done as,

$100 P_{2}$ = 100!/(100 - 2)!

= 100 x 99 x 98!/98!

= 100 x 99

= 9900.

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Filed Under: Permutations and Combinations
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Q:

H.C.F of 3240, 3600 and a third number is 36 and their L.C.M is $2^{4} x 3^{5} x 5^{2} x 7^{2 . What is the third number?}$

A) 47628	B) 49874
C) 24157	D) 42146

Answer & Explanation Answer: A) 47628

Explanation:

hcf_of_three_numbers_3240,_3600_and_third_number_is_361542439249.jpg image

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Filed Under: HCF and LCM
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Q:

Kohinoor diamond was produced from one of the mines in

A) Golconda	B) Bijapur
C) Odisha	D) Chotanagpur

Answer & Explanation Answer: A) Golconda

Explanation:

Kohinoor diamond was produced from one of the mines in Golconda.

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Filed Under: Indian Geography
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Q:

I cannot be other than what I am, Until the man who made me dies, Power and glory will fall to me finally, Only when he last closes his eyes.

I_cannot_be_other_than_what_I_am1542359496.jpg image

Answer

I am Prince of a Kingdom. I will be king only if the man who gave me birth i.e, king my father dies.

Workspace

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Subject: Word Puzzles Exam Prep: AIEEE , Bank Exams , CAT
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Q:

Which waves cannot be transmitted through vacuum?

A) Electromagnetic	B) Light
C) Sound	D) Heat

Answer & Explanation Answer: C) Sound

Explanation:

Sound waves cannot be transmitted through vacuum.

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Filed Under: Physics
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Q:

Microeconomics is the study of

A) Decisions of individual firms	B) Decisions of individual households
C) Decisions of individual consumers	D) All of the above

Answer & Explanation Answer: D) All of the above

Explanation:

Microeconomics is the branch or subset of economics that deals with the study of Decisions of individual firms, households and consumers.

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Filed Under: Indian Economy
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Q:

The percentage of metals in a mine of zinc ore is 60%. Now the percentage of silver is 3/4% of metals and the rest is zinc. If the mass of ore extracted from the mine is 8000 kg, the mass (in kg) of zinc is

A) 5147 kg	B) 4764 kg
C) 3587 kg	D) 2125 kg

Answer & Explanation Answer: B) 4764 kg

Explanation:

Mass of zinc ore = 8000 kg

Mass of metal = 60% of 8000 = 4800 kg

Mass of silver in metal = 3/4 x 4800/100 = 36 kg

Mass of zinc = 4800 - 36 = 4764 kg.

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Filed Under: Percentage
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Q:

Who is known as Architect of Modern India?

A) Vallabhai Patel	B) Subhash Chandra Bose
C) Jawaharlal Nehru	D) None of the above

Answer & Explanation Answer: C) Jawaharlal Nehru

Explanation:

Jawaharlal Nehru is known as Architect of Modern India.

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Filed Under: General Awareness
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