Questions

Q:

Which of the following quadratic equations has real roots?

A) 4x2 - 7x + 5 = 0 B) 5x2 - 11x + 7 = 0
C) 5x2 - 11x + 8 = 0 D) 2x2 - 7x + 5 = 0
 
Answer & Explanation Answer: D) 2x2 - 7x + 5 = 0

Explanation:
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Q:

Who is known as the ‘Grand Old Man of India’?

A) Dadabhai Naoroji B) Gopal Krishna Gokhale
C) Bal Gangadhar Tilak D) A.O. Hume
 
Answer & Explanation Answer: A) Dadabhai Naoroji

Explanation:
Dadabhai Naoroji (4 September 1825 to 30 June 1917), known as the Grand Old Man of India, was a Parsi intellectual, educator, cotton trader, and an early Indian political and social leader.
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Filed Under: Famous Personalities
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Q:

'M' in BIMARU stands for which state?

A) Maharashtra B) Manipur
C) Madhya Pradesh D) Mizoram
 
Answer & Explanation Answer: C) Madhya Pradesh

Explanation:
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Filed Under: Indian Geography
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Q:

In the following question, out of the four alternatives, select the word opposite in meaning to the word given.

Obfuscate

A) Envelop B) Puzzle
C) Haze D) Clarify
 
Answer & Explanation Answer: D) Clarify

Explanation:
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Filed Under: English
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Q:

In the following question, out of the four alternatives, choose the word which best expresses the meaning of the given word and click the button corresponding to it.

LETHARGIC

A) ENERGETIC B) LAZY
C) LETHAL D) LEGAL
 
Answer & Explanation Answer: B) LAZY

Explanation:
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Filed Under: English
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Q:

The most abundant element in the earth's atmosphere is

A) Argon B) Nitrogen
C) Oxygen D) Krypton
 
Answer & Explanation Answer: B) Nitrogen

Explanation:
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Filed Under: Chemistry
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Q:

There are two elements-calcium (atomic number 20) and argon (atomic number 18). The mass number of both the elements is 40. They are therefore known as

A) isotones B) isochores
C) isobars D) isotopes
 
Answer & Explanation Answer: C) isobars

Explanation:

Isotopes-These  are  atoms  of  the elements  having  the  same  atomic number but different mass number.,  Isobars-These  are atoms of same mass number but different atomic  number.,  Isotones-These are  atoms  of  different  elements having same number of neutrons.

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Filed Under: Chemistry
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Q:

Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?

A) CH2ClF B) C2H2
C) PF5 D) COCl2
 
Answer & Explanation Answer: A) CH2ClF

Explanation:
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Filed Under: Chemistry
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