Exams Questions and Answers

Q:

A train, 200 m long, is running at a speed of 54 km/hr. The time in seconds that will be taken by train to cross a 175 m long bridge is

A) 12.5	B) 20
C) 25	D) 10

Answer & Explanation Answer: C) 25

Explanation:

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Filed Under: Problems on Trains
Exam Prep: Bank Exams

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Q:

Which RNA base pairs with the adenine in DNA?

A) Thymine	B) Cytosine
C) Both A & B	D) Uracil

Answer & Explanation Answer: D) Uracil

Explanation:

In DNA, adenine pairs with Thymine. Similarly, in RNA, due to absence of thymine in RNA and the same structure with uracil helps to pair with adenine.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Q:

which of the following molecule contains a nonpolar covalent bond?

A) Br2	B) CO2
C) CCl4	D) CO

Answer & Explanation Answer: A) Br2

Explanation:

Br-Br.

In Br2, two of the same atoms, pull on each side of the bond is equal making it as non-polar.

The other options all include a significantly more electronegative atom (the oxygens and the chlorine), so those bonds are all polar covalent.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

The first nuclear power plant in India was set up at?

A) Koodankulam	B) Tarapur
C) Kaiga	D) Narora

Answer & Explanation Answer: B) Tarapur

Explanation:

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Filed Under: Indian Geography
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

The solubility of a gas in a liquid is

A) increased with increasing pressure	B) decreased with increasing temperature
C) Both A & B	D) None of the above

Answer & Explanation Answer: C) Both A & B

Explanation:

The solubility of a gas in a liquid is directly and inversely proportional to pressure and temperature respectively.

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

Who invented ECG?

A) Hans Berger	B) Einthoven
C) G. Bist	D) None of the above

Answer & Explanation Answer: B) Einthoven

Explanation:

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Filed Under: Inventions
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Q:

A man said to a lady, "Your mother's husband's sister is my mother." How is the man related to the lady.

A) Cousin	B) Brother
C) Son	D) Nephew

Answer & Explanation Answer: A) Cousin

Explanation:

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Filed Under: Blood Relations
Exam Prep: Bank Exams

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Q:

If $3 \sin θ + 4 \cos θ = 5 (0 < θ < 90 °)$ then the value of $\sin θ$ is

A) 1/5	B) 2/5
C) 3/5	D) 4/5

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