Q:

CuO + H2 ---> Cu + H2O. This equation is an example of

A) Oxidation	B) Decomposition
C) Reduction	D) Redox

Answer & Explanation Answer: D) Redox

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Filed Under: Chemistry
Exam Prep: Bank Exams

1 775

Q:

Who discovered Fullerene (an allotrope of carbon)?

A) K Scheele	B) Richard Smalley
C) Faraday	D) Heisenberg

Answer & Explanation Answer: B) Richard Smalley

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Filed Under: Inventions
Exam Prep: Bank Exams

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Q:

The simplification value of $\frac{\sqrt[3]{7}}{\sqrt{5} + \sqrt{2}} - \frac{\sqrt[5]{5}}{\sqrt{2} + \sqrt{7}} + \frac{\sqrt[2]{2}}{\sqrt{7} + \sqrt{5}}$ is

A) 0	B) 1
C) 5	D) 6

Answer & Explanation Answer: A) 0

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

If $r \sin θ = \sqrt{3}$ and $r \cos θ = 1$ , then the values of r and $θ$ are: $(0 ° ⩽ θ \leq 90 °)$

A) r=1, θ=30°	B) r=1⁄2, θ=30°
C) r=3 , θ=30°	D) r=2, θ=60°

Answer & Explanation Answer: D) r=2, θ=60°

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

If 3P/7 = 4Q/11, then what is the ratio of P and Q respectively?

A) 12:77	B) 12:33
C) 28:33	D) 3:28

Answer & Explanation Answer: C) 28:33

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Filed Under: Quantitative Aptitude - Arithmetic Ability
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Q:

What is special about a sword-billed hummingbird?

A) It is the smallest bird in the world	B) Its bill is longer than the rest of its body
C) It lives only in Antarctica	D) It cannot fly

Answer & Explanation Answer: B) Its bill is longer than the rest of its body

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Filed Under: Animals and Birds
Exam Prep: Bank Exams

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Q:

Before Champaran Satyagraha, the farmers of Champaran used to follow the 'Panchkathiya' system, whereby five katthas of land in a bigha had to be planted with ___.

A) indigo	B) cotton
C) sugarcane	D) jute

Answer & Explanation Answer: A) indigo

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Filed Under: Indian History
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Q:

Who awarded the Kaisar-i-Hind medal of the British to Mahatma Gandhi for his contribution to ambulance services in South Africa?

A) Lord Dalhousie	B) Lord Canning
C) Lord Hardinge	D) Lord Curzon

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